December 10, 2014

Twins Notes: Arbitration, defensive numbers, coaches, and Colabello

Eduardo Nunez Twins

• Faced with seven arbitration-eligible players, the Twins tendered 2015 contracts to everyone but Anthony Swarzak. Cutting ties with Swarzak makes sense given his lack of upside and mediocre performance in a low-leverage role, but in previewing their arbitration-based decisions last month Tommy Milone, Brian Duensing, and Eduardo Nunez also struck me as potential non-tender candidates. Instead they kept all three at a projected combined salary of around $6.5 million.

Nunez in particular seems to serve little purpose given that he's 27 years old and hits like a utility infielder without actually being able to play defense like one. His projected $1.2 million salary is inconsequential, but it's hard to imagine the Twins not being able to find a better use of a roster spot. Trevor Plouffe and Casey Fien were no-brainers to keep and rightly or wrongly the Twins probably felt retaining Jordan Schafer for around $1.5 million was an easy call as well.

In keeping six of the seven arbitration-eligible players and signing Torii Hunter for $10.5 million the Twins have around $90 million committed for 2015 based on guaranteed contracts, projected arbitration salaries, and minimum salaries needed to fill out the roster. That's already more than they spent in 2013 or 2014 and there's been little indication that a large increase in spending is planned for 2015. And the roster also looks relatively set barring trades.

• In the wake of the Hunter signing Terry Ryan was asked again about defensive statistics and again downplayed their importance while reiterating that the Twins rely on their eyes to evaluate defense. Meanwhile, in losing 90-plus games each year from 2011-2014 the Twins' defense was 98 runs below average according to Ultimate Zone Rating, 107 runs below average according to Plus/Minus, and 115 runs below average according to Defensive Runs Saved.

Ryan repeatedly saying the Twins need to pitch better and repeatedly denying the Twins' defense has been awful is a weird, frustrating disconnect. Their outfield defense rated particularly poorly, yet when asked about that Ryan scoffs at the numbers and insists guys like Josh Willingham were perfectly adequate. He also scoffed at the numbers all rating Hunter as 15-25 runs below average during the past two seasons, saying:

I saw him, I think, maybe seven games or so [in 2014]. His defense for me was more than adequate. He's not the type of guy that you're going to say, "Oh, he can go over there and play center for a length of time," but I would guarantee you he could go out and play center field for a couple days and you wouldn't really miss too much. ...

You can use the metrics or you can use the eye, and you should use both. In this instance, I think we've seen him play probably 30-35 games as an evaluation process this year, and for the most part the lowest grade we had on him was average range. That's pretty good.

Twins scouts watched Hunter for 30-35 games and graded him average or better defensively, so that's what Ryan and the front office relied on rather than trusting the defensive numbers that all agree he was somewhere between bad and horrendous. By the way, Hunter had about two balls hit to him per game this year, so evaluating his defense based on watching 30-35 games is like evaluating a hitter based on watching 60-70 at-bats.

It's one thing to pay little attention to defensive numbers if your scouting department is doing an amazing job evaluating defense with their eyes, but in the Twins' case that seemingly hasn't been true for a while now. Ryan saying "I would guarantee you he could go out and play center field for a couple days and you wouldn't really miss too much" about a 39-year-old Hunter is crazy talk and the type of thing that makes me question a whole lot about the Twins behind the scenes.

• To round out Paul Molitor's coaching staff the Twins hired Butch Davis as first base coach. He spent 20 years coaching in the minors for the Orioles and joins pitching coach Neil Allen as the only coaches without previous Twins tiesTom Brunansky and Joe Vavra were with Molitor on Ron Gardenhire's staff, Gene Glynn was Rochester's manager, Rudy Hernandez coached 14 years in the organization, and Eddie Guardado pitched 12 years for the Twins.

• According to Darren Wolfson of 1500-ESPN the Twins reached out to fired Cubs manager Rick Renteria about becoming Molitor's bench coach, but "he rejected the overture immediately" and they eventually settled on Vavra. And according to Bob Nightingale of USA Today they wanted to hire Delino DeShields first base coach, but he chose instead to manage at Triple-A for the Reds and the job went to Davis.

Chris Colabello was dropped from the 40-man roster and claimed off waivers by the Blue Jays. He followed up a big April for the Twins by slumping horribly and getting demoted to Triple-A, and Colabello later admitted that he played most of the season with a significant thumb injury. At age 31 and with little defensive value it's hard to fault the Twins for giving up on Colabello after he hit .214/.284/.364 with a 124/34 K/BB ratio in 114 games.

Shane Robinson agreed to a minor-league deal with the Twins after spending the first nine years of his career in the Cardinals organization. Robinson has good speed and enough range to handle center field defensively, but he's hit just .231/.303/.308 in 452 plate appearances spread over parts of five seasons in the majors. He's shown a bit more offensive promise at Triple-A, but at age 30 he's strictly a backup option in what currently looks like a crowded outfield.

Danny Santana played mostly center field as a rookie despite never playing there regularly in the minors, but Molitor indicated that the Twins view him as an infielder for 2015. That seemingly makes them more likely to pursue center fielders in trades and free agency--Schafer, Robinson, and Aaron Hicks are the current in-house options--and could mean Eduardo Escobar is headed for a bench role after being an above-average starting shortstop in 2014.

• Willingham, whom the Twins traded to the Royals in August for minor leaguer Jason Adam, announced his retirement at age 35. Willingham had a great first year in Minnesota, but ended up hitting .232/.353/.446 and missing 116 of a possible 440 games for the Twins during a three-year, $21 million contract. Helluva career, though. Despite not getting his first extended chance in the majors until age 27 he posted an .823 OPS with 195 homers in 1,147 games.

Francisco Liriano, who posted a 3.20 ERA with 338 strikeouts in 323 innings for the Pirates during the past two years, re-signed for three years and $39 million. By comparison, the Twins have Ricky Nolasco signed for another three years and $37 million.

• Hunter debuted for the Twins on August 22, 1997 by pinch-running for Terry Steinbach in a loss to the Orioles. In that game Molitor was the Twins' designated hitter, batting third versus Baltimore starting pitcher Scott Erickson.

This week's "Gleeman and The Geek" episode was recorded at Sociable Cider Werks and we talked Hunter, Hunter, and more Hunter.


This week's blog content is sponsored by Uber, which is offering a free ride to first-time users who sign up with the promo code "UberGleeman."

November 19, 2014

Arbitration-eligible Twins: Tender or non-tender?

trevor plouffe twins

December 2 is the deadline for teams to tender 2015 contracts to arbitration-eligible players and the Twins have seven such decisions to make this offseason. There are some no-brainers to keep, some no-brainers to non-tender, and some calls that could go either way. Below you'll find MLB Trade Rumors' projected 2015 salaries for the Twins' arbitration-eligible players and my thoughts on what they should do and/or will do with them.

Trevor Plouffe ($4.3 million projected salary): This time last year the thought of the Twins non-tendering Plouffe rather than paying him around $4.3 million for 2015 via arbitration would not have surprised anyone, but he played well enough that keeping him around for another year seems like a no-brainer. Plouffe played a career-high 136 games and set personal best marks in batting average (.258), on-base percentage (.328), doubles (40), and walks (53).

He hit .258/.328/.431 for a .751 OPS that easily topped the .715 OPS produced by all MLB third basemen and perhaps more importantly Plouffe's defensive numbers improved dramatically. He was above average on both sides of the ball, ranking among the dozen best third basemen. His place in the Twins' plans beyond the first half of next year will be determined largely by Miguel Sano's recovery from elbow surgery, but in the meantime $4.3 million is an easy call.

Tommy Milone ($2.8 million projected salary): When the Twins acquired Milone from the A's in exchange for Sam Fuld on July 31 he seemed all but certain to be part of their 2015 rotation, but then he allowed 21 runs in 21 innings before being shut down with shoulder and neck problems. Prior to the trade Milone had a 3.84 ERA in 443 innings for the A's, but a pitcher-friendly ballpark and strong defenses masked a performance that was closer to a 4.25 ERA in quality.

Milone is 28 years old and under team control through at least 2018, so even if he's a 4.25 ERA guy keeping him around for $2.8 million makes sense, but with his post-trade struggles, injury issues, and lack of upside thanks to a mid-80s fastball and poor strikeout rates it's possible the Twins will decide to cut bait. Their overall starting pitching obviously needs work, but they aren't lacking in back-of-the-rotation options.

Brian Duensing ($2.5 million projected salary): On the surface a 3.31 ERA suggests Duensing had a good season, but in reality he managed just 33 strikeouts versus 20 walks in 54 innings and as usual got knocked around by right-handed hitters by allowing them to slug .494. Duensing has neither the velocity nor the bat-missing ability typically desired in a late-inning reliever and his career-long struggles against righties make him ill-suited for more than a lefty specialist role.

There's often a place for southpaw specialists, but Duensing doesn't dominate lefties enough to thrive in that role. Combined from 2012-2014 lefties hit .265/.307/.383 off him. This season all lefty vs. lefty matchups in MLB resulted in a .240/.302/.345 line. Righties hit .289/.351/.442 with 48 walks and 70 strikeouts off Duensing from 2012-2014, which is terrible for a reliever. He's had a solid, useful run with the Twins, but for $2.5 million Duensing is no longer really needed.

Jordan Schafer ($1.5 million projected salary): After claiming Fuld off the waiver wire and getting surprisingly good value for 53 games before trading him the Twins nearly repeated the process with Schafer. Claimed off waivers from the Braves following Fuld's departure, Schafer hit .285/.345/.362 with 15 steals in 41 games while shoring up the outfield defense. Rather than trading him the Twins' option with Schafer is whether to bring him back for $1.5 million.

Based strictly on his 41-game trial the answer would be yes, but even with that included Schafer is a career .229/.311/.310 hitter in 436 games and hit just .225/.278/.294 at Triple-A. An extra million dollars isn't going to make a dent in the Twins' payroll space, so the decision should come down to who they want pushing Aaron Hicks in center field and/or seeing action in left field on days when manager Paul Molitor focuses on outfield defense.

Anthony Swarzak ($1.4 million projected salary): Moved to the bullpen after flopping as a starter, Swarzak had a nice 2013 in long relief and resumed struggling in 2014. He posted a 4.60 ERA compared to the MLB average of 3.58 for relievers and struck out 4.9 per nine innings for the second-worst rate among all relievers with 60 or more innings. Just how little do the Twins trust Swarzak in games that aren't already lost causes? They are 36-111 when he pitches since 2012.

He's now 29 years old with a 5.87 ERA in 32 starts and a 3.66 ERA in 149 relief appearances, and the bullpen work comes with a lowly strikeout rate of 5.8 per nine innings. Swarzak is a standard low-leverage reliever with the ability to soak up some innings, but there's no upside to be had in keeping him in that role and the Twins would be better served letting a younger reliever or maybe even a starter prospect get his feet wet in the majors with those same innings.

Eduardo Nunez ($1.2 million projected salary): Acquired from the Yankees in early April, the Twins oddly talked up Nunez's offensive ability despite a track record full of poor production and overlooked his awful defensive numbers. Then they gave him 213 plate appearances, including 17 starts at shortstop, and he hit .250/.271/.382 with a 31/5 K/BB ratio. To make matters worse the prospect they traded for him, Miguel Sulburan, pitched well at high Single-A as a 20-year-old.

Nunez is 28 years old. He's hit .264/.305/.380 in 342 games in the majors and .272/.316/.366 in 722 games in the minors. Ultimate Zone Rating has him 31 runs below average per 150 games at shortstop and several other defensive metrics see him as even worse. The bar for "decent utility infielder" is extremely low, but Nunez can't field well enough to play shortstop and can't hit well enough to be an asset anywhere else.

Casey Fien ($1.1 million projected salary): Signed to a minor-league contract three offseasons ago, Fien initially emerged as a dependable middle reliever and then overtook Jared Burton's as Glen Perkins' primary setup man. As an extreme fly-ball pitcher he's always at risk for a home run-based blowup, but Fien has generally been good enough at everything else to make up for allowing 19 homers in 160 innings for the Twins.

He has a 3.54 ERA in three seasons with the Twins, including a 156/31 K/BB ratio in 160 innings and a .234 opponents' batting average, and Fien has actually been slightly more effective against lefties than righties. Ideally he's better suited for a middle relief role than eighth-inning duties and at age 31 he's not someone the Twins need to worry about retaining long term, but for now $1.1 million is a bargain.


For a lot more about the Twins' arbitration-eligible players and a discussion of their potential free agent targets, check out this week's "Gleeman and The Geek" episode.

October 22, 2014

Twins decline $3.6 million option on Jared Burton; bullpen overhaul next?

jared burton twins

Rather than keep right-hander Jared Burton around for next season at a cost of $3.6 million the Twins declined his 2015 option and paid him a $200,000 buyout, making the 33-year-old reliever a free agent. Burton was a great scrap-heap pickup for the Twins after his career was derailed by injuries with the Reds and not so long ago his 2015 option looked like it might be a bargain, but his performance and raw stuff both slipped this season.

Burton debuted for the Reds in 2007 as a 26-year-old and posted a 3.47 ERA in 161 innings from 2007-2009, but then arm problems caused him to miss most of 2010 and 2011. Cut loose by the Reds in November of 2011, he signed a minor-league contract with the Twins two weeks later and made the Opening Day roster out of spring training. He was an elite setup man in 2012 and much of 2013 before fading down the stretch, and those struggles continued this season.

If the Twins felt Burton was a decent bet to bounce back next season $3.6 million certainly isn't a crazy price tag for a late-inning reliever, but he has a 5.12 ERA and 50/28 K/BB ratio in 72 innings since August of 2013 and averaged just 91 miles per hour on his fastball while being overtaken as Glen Perkins' primary setup man by Casey Fien. Plus, if the Twins are planning to have a payroll below $90 million again there's hardly any room under their self-imposed spending limit.

Six relievers appeared in 30 or more games for the Twins this season and their bullpen could look much different in 2015. Perkins is signed through at least 2017 and Fien is a lock to be retained via arbitration, but rising salaries and underwhelming performances make the arbitration-eligible duo of Brian Duensing and Anthony Swarzak non-tender candidates. That would leave Perkins, Fien, and low-leverage lefty Caleb Thielbar as the bullpen holdovers.

It would also clear the path for less experienced relievers like Michael Tonkin, Ryan Pressly, and Lester Oliveros to take bigger roles and the Twins still have Mike Pelfrey and his one-pitch repertoire under contract for $5.5 million. Factor in starter prospects who could benefit from being worked into the mix as relievers, plus various intriguing bullpen arms in the minors, and the Twins may be able to get both cheaper and better by overhauling the bullpen around Perkins and Fien.


For a lot more about the Twins' payroll plans and Terry Ryan's comments about the team's lack of spending, check out this week's "Gleeman and The Geek" episode.

July 18, 2014

Reviewing the Twins’ first half: Pitchers

perkins and suzuki

For all the talk about and money spent on improving their starting pitching the Twins' rotation ranks 28th in ERA among the 30 teams. Last year they ranked 30th. Two years ago they ranked 29th. Three years ago they ranked 26th. And even with some pretty good relief work included the Twins' pitching staff has the fewest strikeouts in baseball for the fourth consecutive season. Before the second half gets underway here's a pitcher-by-pitcher look at the individual performances ...

Phil Hughes: .283/.297/.410 in 501 plate appearances

When the Twins signed Phil Hughes to a three-year, $24 million contract this offseason the idea was that getting him away from homer-inflating Yankee Stadium would fix his biggest problem of serving up long balls. That's played out exactly as hoped, with Hughes allowing just nine homers in 122 first-half innings after averaging 19 homers per 122 innings from 2010-2013. Beyond that there was also another big but unexpected change: He stopped walking anyone.

Hughes has always had mediocre control, averaging nearly 3.0 walks per nine innings for his Yankees career, but this season under Rick Anderson's coaching his walk rate is a miniscule 0.8 per nine innings. Not only is that the second-lowest rate in all of baseball--sandwiched between Hisashi Iwakuma and Clayton Kershaw--it's the second-lowest walk rate in Twins history behind only Carlos Silva's ridiculous 0.4 per nine innings in 2004.

Hughes' velocity and strikeout rate remain nearly identical to his Yankees days and he's still one of MLB's most extreme fly-ball pitchers, but switching home ballparks has made those fly balls less of a weakness and refusing to walk anyone has turned him into a different pitcher. He walked zero or one batter in 17 of 19 first-half starts (89 percent) after doing so in 61 of 132 starts (46 percent) for the Yankees. He's been a souped-up version of the Twins' long-preferred pitching mold.

Kevin Correia: .292/.335/.439 in 478 plate appearances

Kevin Correia got off to a horrendous start, put together a nice stretch heading into the All-Star break, and just like last year finished the first half as one of baseball's worst starters. Offensive levels dropping across MLB have kept his numbers from being as gag-inducing as bad pitchers from 5-10 years ago, but among the 93 qualified starters this season Correia ranks dead last in strikeout rate, second-to-last in xFIP, and 84th in ERA. He also leads MLB with 11 losses.

Last year when Correia tossed 185 innings with the league's second-worst strikeout rate and seventh-worst ERA the Twins portrayed it as successful, but that was spin and now with several good prospects knocking on the door to the majors there's little value to be had in letting Correia finish out his two-year, $10 million contract. Since the beginning of last season the only two MLB pitchers with more innings and a higher ERA than Correia are Kyle Kendrick and ...

Ricky Nolasco: .330/.368/.538 in 459 plate appearances

Signed to a four-year, $49 million deal this offseason to front the Twins' rotation, Ricky Nolasco was the worst starter in the league for three months and then revealed that he'd been pitching through an elbow injury since spring training. Within his terrible performance was some poor luck on balls in play, even by Nolasco's often "unlucky" standards, but his velocity, strikeout rate, and walk rate were also all worse than the 31-year-old's career norms.

Based on secondary numbers Nolasco performed more like a 4.50 ERA pitcher than a 5.90 ERA pitcher, but that's still awful in a year when the average starter has a 4.05 ERA. Justin Morneau hit .321/.375/.559 in his MVP-winning 2006 season. This year opponents have hit .330/.368/.538 off Nolasco. Thankfully for the Twins adding Hughes to the rotation has worked out well, because the decisions to sign Nolasco and re-sign Mike Pelfrey have gone about as poorly as possible.

Kyle Gibson: .251/.303/.356 in 423 plate appearances

Kyle Gibson returned from Tommy John elbow surgery without bat-missing raw stuff, generating just 4.7 strikeouts per nine innings since going under the knife. That limits his upside and means he'll always be in danger of a rapid collapse, but his ability to induce grounders has remained with the rebuilt elbow and his ground-ball rate of 54.6 percent ranks seventh among all MLB starters. And after some early control problems he issued just nine walks in his final 10 first-half starts.

Throwing strikes and keeping the ball on the ground is a recipe for success, but without strikeouts that success likely tops out in the middle of the rotation. Which is fine, of course. The last Twins starter to log 150 innings with a higher ground-ball rate than Gibson's current mark was ... no one, at least not since 2002 when the data begins. Still, fewer than 5.0 strikeouts per nine innings is Silva, Nick Blackburn, and Scott Diamond territory, which is a dangerous place to be.

Sam Deduno: .260/.344/.370 in 305 plate appearances

Once presumed to be a member of the rotation, Sam Deduno began the season in the bullpen before shifting into starter mode to replace the injured Pelfrey in May. After an ugly June 14 start he moved back to the bullpen, where he finished the first half by throwing 13 scoreless innings. His sample size of relief work is too small to draw any conclusions, but with a 4.51 ERA and 4.5 walks per nine innings in 41 career starts there's no need to see more of Deduno in the rotation.

Anthony Swarzak: .265/.323/.359 in 198 plate appearances

Nearly all of the gains Anthony Swarzak made last season have vanished this year, as his strikeout and walk rates have regressed to the pre-2013 levels that made him look like a marginal big leaguer. His durability has value in a bullpen-saving role, but Swarzak is now 28 years old with a 3.69 ERA and just 5.8 strikeouts per nine innings in 132 career relief appearances. He doesn't miss enough bats or throw enough strikes.

Glen Perkins: .230/.264/.375 in 163 plate appearances

I'm not sure people fully appreciate just how good Glen Perkins has been since moving to the bullpen full time in 2011. During that four-year span he's posted a 2.54 ERA in 235 appearances, compiling 269 strikeouts compared to 49 non-intentional walks in 234 innings. And since taking over for Matt Capps as closer in mid-2012 he's converted 74 saves at an 89 percent success rate. By comparison, Mariano Rivera converted 89 percent of his career save chances.

Among all MLB relievers with at least 200 innings since 2011 he ranks seventh in strikeout-to-walk ratio, eighth in average fastball velocity, and ninth in Win Probability Added and xFIP. He's been one of the 10 best relievers in baseball since becoming a reliever and Perkins is actually getting better, as this year's 49/7 K/BB ratio in 39 innings represents the best strikeout and walk rates of his career. He's the third-best reliever in Twins history behind Joe Nathan and Rick Aguilera.

Jared Burton: .236/.306/.396 in 160 plate appearances

It'd be easy to point to his 3.34 ERA in 35 appearances since back-to-back ugly April outings as proof that Jared Burton has been his old self of late, but the truth is that a 3.34 ERA isn't even much better than this season's MLB average of 3.60 for relievers and his 24/10 K/BB ratio in 32 innings during that span is hardly vintage Burton. His velocity and strikeouts are down, his walks and fly-ball rate are up, and after a helluva run for the Twins he's in decline mode at age 33.

Casey Fien: .215/.242/.347 in 155 plate appearances

Extreme fly-ball pitchers always make for tricky late-inning relievers and Casey Fien has had a few home run-based blowups, but he's also got a 2.95 ERA and fantastic 137/27 K/BB ratio in 137 innings since the Twins signed him as a minor-league free agent in 2012 and then called him up with zero expectations that July. During that three-year span Fien has been superior to Burton in strikeout rate, walk rate, opponents' average, ERA, and xFIP. He's the Twins' best setup man.

Brian Duensing: .260/.327/.382 in 148 plate appearances

Compared to last season his ERA looks much better, but Brian Duensing's secondary numbers are actually much worse and in particular he's managed a poor 21/13 K/BB ratio in 36 innings. Duensing continues to be decent versus left-handed hitters, but he's walked more righties (10) than he's struck out (9). For his career righties have hit .297/.356/.462 off Duensing and he's not nearly dominant enough against lefties to make up for it.

Mike Pelfrey: .305/.419/.505 in 119 plate appearances

Pelfrey was terrible in 2013, going 5-13 with a 5.19 ERA in 29 starts, but for some reason the Twins felt compelled to give him a two-year, $11 million contract. He went 0-3 with a 7.99 ERA in five starts, got shut down with a dubious groin injury, and later underwent elbow surgery. He's probably done for the season, but Pelfrey will be back in the mix for a rotation spot next season because he's still owed another $5.5 million.

Caleb Thielbar: .231/.271/.413 in 118 plate appearances

Last season Caleb Thielbar came out of nowhere to emerge as the Twins' secondary left-handed setup man and he's filled the same role relatively well this year. At age 27 the former independent leaguer lacks long-term upside, but through 76 innings as a big leaguer he's got a 2.23 ERA and 60/22 K/BB ratio without extreme platoon splits. He's been used in low-leverage situations, but that could change in the second half if the Twins start auditioning him for Duensing's gig.

Matt Guerrier: .245/.295/.324 in 113 plate appearances

Signed to a minor-league deal and then promoted to Minnesota one day before the mid-May opt-out clause in his contract, Matt Guerrier has posted a nice-looking 2.67 ERA with just one homer allowed in 20 appearances. He hasn't quite been his old self, however, with just 12 strikeouts in 27 innings and an average fastball velocity of 89 miles per hour. At age 35 he's a low-leverage reliever, which is exactly how the Twins have used the former setup man.


This week's blog content is sponsored by Uber, which is offering a free ride to first-time users who sign up with the promo code "UberGleeman."

July 18, 2013

Reviewing the Twins’ first half: Pitchers

glen perkins and joe mauer

Last year Twins starters ranked dead last in the league with a 5.40 ERA, but after big talk of fixing the rotation the actual additions were inexpensive and uninspired. This year Twins starters have a 5.23 ERA that ranks dead last in either league and even with surprisingly good work from a largely makeshift bullpen the pitching staff has the league's worst ERA and fewest strikeouts. Before the second half gets underway here's a pitcher-by-pitcher look at the individual performances ...

Kevin Correia: .296/.336/.472 in 472 plate appearances

Signed to a two-year, $10 million contract that didn't make much sense this offseason, Kevin Correia posted a 2.23 ERA in April that had people coming up with all sorts of theories about why he'd turned a corner at age 32. Since the calendar flipped to May he's made 15 starts with a 5.21 ERA, allowing opponents to hit .321 with 15 homers in 74 innings. Since completing at least seven innings in each of his five April starts Correia has done so just once in his last 15 outings.

Overall he has a 4.23 ERA compared to the AL average of 4.08 and across baseball Correia ranks 85th among 89 qualified starters in both strikeout rate and swinging strike percentage, which is some serious pitching to contact. He's been slightly less ineffective than expected thanks to the fast start, but Correia has shown why the multi-year commitment was misguided and if the Twins can trade him before the ERA rises any further they should.

Scott Diamond: .313/.355/.514 in 394 plate appearances

Scott Diamond's miniscule strikeout rate suggested that last year's success would be short-lived and sure enough he unraveled in the first half. His strikeout rate fell even further to 4.2 per nine innings, which is the worst in baseball, and his walk and ground-ball rates declined from excellent to merely good. Toss in a 30-point uptick in Diamond's batting average on balls in play and you end up with an ERA that jumps from 3.54 to 5.32.

Diamond wasn't as good as he looked last season and isn't as bad as he's looked this season, but overall he's a whole lot closer to a left-handed Nick Blackburn than a long-term building block. In fact, through three seasons the comparison between Diamond and Blackburn is eerily close. Diamond has a 4.27 ERA and rates of 4.5 strikeouts, 2.1 walks, and 1.0 homers per nine innings. Blackburn had a 4.14 ERA and rates of 4.4 strikeouts, 1.8 walks, and 1.1 homers per nine innings.

Mike Pelfrey: .313/.359/.478 in 363 plate appearances

All the offseason and early spring training talk of Mike Pelfrey being vastly ahead of schedule in his recovery from Tommy John elbow surgery gave way to his actually having to pitch and it was ugly. Pelfrey had a 6.66 ERA through 11 starts, including a .332 opponents' batting average and 26-to-19 strikeout-to-walk ratio in 51 innings. He then likely saved his rotation spot with a decent five-start stretch to finish the first half, with a two-week disabled list stint mixed in.

Pelfrey wasn't particularly effective before the surgery, serving mostly as an innings-eater for the Mets, and going under the knife didn't fix his inability to miss bats. He relies almost exclusively on a low-90s fastball, which is why Pelfrey is averaging fewer than 6.0 strikeouts per nine innings for the eighth time in eight seasons. That pitch used to at least generate lots of ground balls, but his current rate of 43.8 percent is a career-low and actually qualifies Pelfrey as a fly-ball pitcher.

Samuel Deduno: .262/.327/.371 in 264 plate appearances

Last season Samuel Deduno was relatively successful with a 4.44 ERA in 15 starts despite nearly as many walks (57) as strikeouts (53) in 79 innings. Even that modest success won't work long term with those secondary numbers and somewhere along the way pitching coach Rick Anderson appears to have hammered that point home to Deduno. Prior to this year Deduno had walk rates of 6.1 per nine innings in the majors and 5.0 per nine innings at Triple-A. This year he's at 2.9.

It's a sample size of 10 starts, but Deduno has three or fewer walks in all 10 of them after doing so just half the time last year. His strikeout rate has actually fallen to 4.5 per nine innings, which is among MLB's worst, but he's made up for the lack of missed bats by nibbling less and letting the movement of his pitches induce an AL-high 61 percent ground balls. Or, put another way: Pitching to contact actually works for Deduno. There's more reason to believe in him now than last year.

Anthony Swarzak: .281/.314/.412 in 237 plate appearances

After three sub par years split between the rotation and bullpen Anthony Swarzak has taken a step forward as full-time long reliever. Compared to his first three seasons Swarzak has upped his strikeouts by 28 percent, reduced his walks by 26 percent, and become less fly-ball prone. He's been one of the most effective pitchers on the entire staff, although that's admittedly not saying much and because most of his work comes in long-relief spots his impact has been minimal.

In fact, the Twins are 6-21 when Swarzak pitches. That should be blamed on his role rather than his performance, which includes a 3.55 ERA and 41-to-12 strikeout-to-walk ratio in 58 innings. So far they've resisted the urge to put Swarzak back into the rotation and they've also yet to really move him up the bullpen hierarchy. Considering the overall state of the pitching staff if Swarzak keeps pitching this well in the second half he'd warrant some kind of higher-leverage gig.

Vance Worley: .381/.427/.577 in 234 plate appearances

When the Twins acquired 25-year-old Vance Worley from the Phillies in the Ben Revere trade he was supposed to step in as a long-term mid-rotation starter. Worley had thrown 278 innings with a 3.50 ERA for the Phillies and while there were questions about his many called strikeouts being sustainable there was little reason to expect a collapse. And then he went from Opening Day starter to Triple-A in less than two months, allowing 43 runs in 49 innings.

He generated just 15 strikeouts in 10 starts, got a swinging strike on an abysmal 4.5 percent of his pitches, and allowed a .381 opponents' batting average. Worley has been much better since the demotion to Rochester, but it's hard to be very encouraged by a 3.88 ERA at Triple-A when it comes with 34 strikeouts in 58 innings. He'll be back with the Twins at some point, but Worley hasn't been right since last year's elbow issues and was never a high-upside arm to begin with.

Ryan Pressly: .255/.321/.345 in 185 plate appearances

As far as Rule 5 picks go Ryan Pressly has been a big success. Used mostly for mopping up and long relief, he threw 44 innings with a 3.09 ERA and averaged 93 miles per hour with his fastball. Far less impressive than the shiny ERA is a 30-to-17 strikeout-to-walk ratio and Pressly is unlikely to be as stingy with homers going forward considering his high fly-ball rate, but he's been a useful member of the bullpen and has definitely shown some long-term upside.

Jared Burton: .247/.333/.377 in 184 plate appearances

Jared Burton picked up right where he left off following a fantastic 2012 season with a 2.10 ERA and 26 strikeouts in 26 innings through the end of May. Then he went through a rough patch while dealing with a groin injury, allowing 12 runs in 10 appearances as his ERA ballooned to 4.29 and he was removed from setup duties. Burton recovered to end the first half with six shutout outings in a row, although his usual swing-and-miss stuff still wasn't there.

Last year's .220 batting average on balls in play was always unsustainable and his overall stats remain decent with a 3.67 ERA and 36 strikeouts in 42 innings, but Burton has already walked more batters than all of last year and both his velocity and swinging strike rate are down slightly. Hopefully it's just a blip on the radar, because a healthy Burton can be light outs and he's signed through 2015 at salaries that make him a reasonably priced setup man or good trade bait.

P.J. Walters: .311/.383/.494 in 183 plate appearances

For the second time in two seasons the Twins called up P.J. Walters when their rotation was a mess, got a handful of decent outings from him before things fell apart, and then passed him through waivers unclaimed to keep the 28-year-old right-hander in the organization as Triple-A depth. Meanwhile, he has a 5.79 ERA in 20 starts for the Twins after posting a 4.60 ERA in 133 starts at Triple-A, making Walters the epitome of a replacement-level starter.

Pedro Hernandez: .311/.373/.517 in 169 plate appearances

Acquired from the White Sox in the Francisco Liriano trade, Pedro Hernandez is a soft-tossing, strike-throwing lefty who struggled against right-handed hitters in the minors and not surprisingly big-league righties have crushed him to the tune of .353/.423/.639 with eight homers in 137 plate appearances. He had two first-half stints with the Twins as a rotation fill-in, posting a 6.17 ERA in seven starts, and it's tough to see Hernandez having long-term success as a starter.

Josh Roenicke: .238/.331/.420 in 167 plate appearances

When the Twins claimed Josh Roenicke off waivers in November the story of his career was a big fastball and not much else, including a modest strikeout rate and poor control. His average fastball dipped to 91.2 miles per hour in the first half, but the rest of the story stayed the same with an awful 25-to-21 strikeout-to-walk ratio in 38 innings. And after some initial success he gave up 14 runs in his final 24 innings with as many walks (15) as strikeouts (15).

Brian Duensing: .300/.373/.393 in 159 plate appearances

Brian Duensing flopped as a starter, but has yet to rediscover his previous success as a reliever. Slated to be the primary left-handed setup man, Duensing struggled against lefties and righties while posting a 4.67 ERA and 30-to-16 strikeout-to-walk ratio in 35 innings and spent the final month or so of the first half working mostly in a mop-up role. His inability to handle righties will forever limit Duensing, but the good news is that his trouble with lefties looks like a fluke.

Lefties hit .307 off Duensing in the first half, but that was due to a ridiculously high .408 batting average on balls in play. Delving a little deeper, he posted a great 20-to-5 strikeout-to-walk ratio versus lefties and held them to just one homer in 82 plate appearances. Despite the rough first half not much has really changed with Duensing, but unfortunately that just means he's still a decent middle reliever who's a bad bet facing righties and a good bet facing lefties.

Casey Fien: .179/.217/.284 in 146 plate appearances

Burton and Duensing struggling as the main setup men pushed Casey Fien into a more prominent late-inning role and he responded by continuing to thrive. Not only did he have a 3.03 ERA and 42-to-7 strikeout-to-walk ratio in 39 first-half innings, dating back to his debut with the Twins last season Fien has a 2.57 ERA and 74-to-16 strikeout-to-walk ratio in 74 frames. Not bad for a guy who joined the Twins as a minor-league free agent last offseason at age 28.

He's probably due to come back down to earth at least a little bit and if that does happen it'll likely stem from serving up too many homers, as Fien was an extreme fly-ball pitcher in the minors and has one of the 10 lowest ground-ball rates in the majors since last season. However, his overall track record in the minors showed someone capable of being a quality middle reliever and so far he's allowed just seven homers in 287 plate appearances.

Glen Perkins: .172/.221/.262 in 131 plate appearances

Glen Perkins' first full season as the Twins' closer has been an overwhelming success except for the part about the team failing to find him consistent work. Perkins converted 21 of 23 saves with a 1.82 ERA and 47-to-7 strikeout-to-walk ratio in 34.2 innings, holding opponents to a .172 batting average. That's about as dominant as a pitcher can be and Perkins was rewarded with his first All-Star selection, yet the Twins used their All-Star closer for just 131 batters in 92 games.

Some of that stems from their lack of late leads, but Ron Gardenhire's refusal to use Perkins in non-save situations is the real culprit. Not only have 100 different relievers thrown more innings than Perkins, six Twins relievers have worked more. It's gotten so bad that Perkins requested more action, but Gardenhire continues to manage the bullpen around the save statistic while calling on lesser relievers in game-changing spots. Perkins is great, but his usage is terrible.

Kyle Gibson: .315/.392/.393 in 102 plate appearances

In his first full season back from Tommy John surgery Kyle Gibson entered spring training in the mix for a rotation spot, but pitched his way out of the immediate plans and then the Twins decided to keep him at Triple-A for three months. He was one of the International League's best pitchers, posting a 3.01 ERA with tons of ground balls and a 79-to-28 strikeout-to-walk ratio in 93 innings, and after going through eight other starters the Twins finally called him up three weeks ago.

Gibson had a very nice debut followed by three mostly poor outings, but looking beyond the ugly 6.45 ERA he induced 51 percent ground balls, generated a decent number of swinging strikes, and averaged 92.3 miles per hour with his fastball. Ultimately the key for Gibson is whether he can get enough strikeouts to be more than a mid-rotation starter who throws strikes and kills worms. At this point the jury is still very much out and his second-half workload may be limited.

Caleb Thielbar: .103/.205/.221 in 78 plate appearances

Twenty straight scoreless innings is an amazing start to anyone's career, let alone a 26-year-old rookie signed out of independent ball in 2011. Caleb Thielbar turned what looked likely to be a short-term call-up into a two-month gig, and while his secondary numbers and inherited runners allowed paint a much less impressive picture than his sparkling ERA he's shown more than enough to stick around with 21 strikeouts in 21 innings and 11 percent swinging strikes.

Note: For a similar first-half review of the Twins' hitters, click here.


This week's blog content is sponsored by the Twins Daily light rail pub crawl/Twins game, where you can join Aaron Gleeman, John Bonnes, Parker Hageman, Nick Nelson, and Seth Stohs for a day of bar-hopping and baseball on September 14. Space is limited, so book your spot.

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