Archive for Oliver Perez

Building a Closer Through Outcomes

There are a sundry of middle/set-up relievers that can succeed in the closer role if given the opportunity. A few obvious: Wade Davis if something happens to Greg Holland… Wil Myers for James Shields and who?!; Ken Giles if the Phillies can somehow find a trade partner for the grundle-grabber; and Brad Boxberger if not Jake McGee. I assume David Robertson signs elsewhere and Dellin Betances steps in.

Lets’ look at potential closers using reliever outcomes. Here are the average contact and balls in play-related outcomes for all relievers that qualified and specifically relievers with 10+ saves:

Command: K% BB% K-BB% Ct% SwStr% Zn% F-Str%
AVG for RP w/ > 10 SV 0.27 0.07 0.19 0.75 0.12 0.46 0.63
SD for RP w/ > 10 SV 0.08 0.03 0.08 0.06 0.03 0.04 0.04
AVG for all qualified RP’s 0.22 0.09 0.14 0.77 0.11 0.45 0.60
SD for all qualified RP’s 0.07 0.03 0.07 0.05 0.03 0.04 0.05
Balls In Play: GB% FB% IFFB% GB/FB HR/FB LOB% BABIP
AVG for RP w/ > 10 SV 0.43 0.37 0.11 1.40 0.08 0.78 0.275
SD for RP w/ > 10 SV 0.11 0.10 0.04 1.02 0.05 0.08 0.042
AVG for all qualified RP’s 0.45 0.35 0.09 1.50 0.09 0.75 0.289
SD for all qualified RP’s 0.10 0.09 0.05 0.81 0.05 0.08 0.044

Our Filters: 

  • Contact-related outcomes: For K-BB%, Ct% and SwStr%, I filtered simply by the general relief pitcher averages. Everyone below average in these 3 categories was filtered out.
  • Command-related outcomes: For zone% and first-pitch-strike%, I used 1 standard deviation below average and 1.25 SD’s below average in BABIP as filters. 1.25 SD allowed me to omit only the relievers that had career BABIP’s higher than we would like to see for a closer or in general. I didn’t want to screen out Jenrry Mejia (1.24 SD below the mean) or Tim Stauffer (1.19 SD below), because there’s a possibility for BABIP regression.
  • Balls In Play-related outcomes: I was lax on the balls in play outcomes. I went with a 40% Grounder rate and 45% Flyball rate as my filters versus the averages that you see above because below average fly-rates don’t mean much in places like Tampa (where Boxberger is elite but below average in fly-rates); and above average grounder-rates don’t mean as much with atrocious defense behind you (hence Corey Kluber’s unlucky BABIP, which should have been closer to .299 per end-of-season xBABIP/Inside Edge data), but I digress.

Using these filters, we’re left with a robust list of above-average relievers beyond just closers (scroll down for the noted filters):

What happens if we use the command (K-BB%)/contact (Ct% and SwStr%) related averages for relievers with more than 10 saves this year? 

…We’re left with some elite closers and then a few interesting names.

Last year, Danny Farquhar (just missed the list this year) had a top 20 swinging-strike rate – about a percent better than Fernando Rodney, but it was masked by his BABIP and left-on-base rate that killed his surface stats (4.20 ERA vs. 2.40 xFIP). This year, he actually outperformed his xFIP with a 2.66 ERA. After an early season MASH Report on Rodney’s velocity, I eyed Farquhar. At least keep him in mind next year if anything does happen to Rodney.

Josh Edgin (Mets for those of you that don’t know) has a top 65 contact-rate sandwiched between Mark Melancon and Jake McGee and even induced grounders 50% of the time. He has a pretty extensive repertoire as well. In order of usage: Fourseamer, Slider, Curve, Change, Cutter and Sinker. According to his Brooks Player Card, he has great swing and miss rates on his Curve (>56%), Cutter (50%), Slider (>42%) and Sinker (33%). Even his Change approaches 30%. This isn’t the case on his Fastball, but at 93+ MPH, it induces a decent amount of grounders (1.8 GB/FB). Keep in mind he had late-season elbow issues which effected his velocity by a MPH or so, but he could be called upon to get Mejia out of a jam. I like him better than an unhealthy Bobby Parnell and Jeurys Familia from a command perspective for another year.

Zach Duke did his best Craig Kimbrel impression prior to the R2M monster hitting him in August. Prior to 8/1, Duke had a 34.9% K-rate and 27.3 K-BB%. Kimbrel ended the year with a 38.9% K-rate and 28.3 K-BB%. I think August and September brought him back to his realistic value (~2.50 ERA, 1.15 WHIP). It will be interesting to see who closes for the Brewers if they let Francisco Rodriguez go. Both Duke and Will Smith have above average (even for RP w/ 10+ saves) swing-and-miss. Will Smith should have additional command next year, but Zack Duke induces grounders better which I like in my closers/in Milwaukee. They also have Jonathan Broxton. The hierarchy seemed to be K-rod-Broxton-Smith late last season. If that’s the case, they should use Duke more (former starter) and in higher leverage situations. He was equally solid against both lefties (.258 wOBA) and righties (.262 wOBA).

Oliver Perez everybody! I thought I could filter him out by his splits being a lefty, but like 2012, he was more effective vs. righties (and faced 44 more of them). The D-backs have Addison Reed, up-and-comer Evan Marshall as well as Daniel Hudson caught touching 97 MPH so if not by outcomes or splits, we can filter Perez out by opportunity.

Darren O’Day and Andrew Miller is part of one dominating Baltimore bullpen – one that gets referenced by anyone who thinks the Orioles can beat the Tigers in the ALDS. Notice that Zach Britton didn’t make either of the above lists! He was filtered out by his below average K-BB% (13.70%). It’s his 75+% grounder rate (hence the 81+% left-on-base rate and .215 BABIP) that keeps him elite in Baltimore. The only concern you can have with O’Day is a fastball velocity almost 2 standard deviations below the mean for relievers, but his arm angle combined with that slider still induces a 30+% whiff-rate on both pitches. Miller’s slider though is a world apart from O’Day’s: only Pedro Strop, Will Smith, Jake Diekman, Greg Holland and Oliver Perez induces more whiffs than Miller’s 55% according to Baseball Prospectus’ Pitchf/x Leaderboards.  I doubt we’ll see a closer-transition next year in Baltimore unless Britton’s GB/FB ratio takes a drastic dive because his HR/FB ratio, which approached 18%, could be an issue.

An xBABIP review

On the last day of the season, @jeffwzimmerman provided me with Pitch xBABIP based on inside edge data. Let’s look at some of the bigger xBABIP differentials to keep in mind:

The last column depicts the z-score for BABIP differential. Francisco Rodriguez was expected to have a BABIP about 120 points above his actual BABIP. I highlighted (red/bad; green/good) the xBABIP z-scores as well so that you know whether or not to actually be concerned meaning sure Aaron Sanchez has the 5th biggest BABIP differential (over 2 standard deviations from the mean), but a .239 xBABIP is still utterly elite (3.34 SD’s from the mean). On the other side of the equation, it’s nice to see Evan Marshall, Carlos Martinez and Adam Ottavino (albeit in Colorado) with large BABIP differentials. Marshall and Martinez even have xBABIP’s over .5SD from the mean.

The last bit of fun

It was a very fun year to be doing bullpen reports for RotoGraphs. Aroldis Chapman broke the single-season strikeout rate of 2012 Craig Kimbrel (50.2%). He struck out 52.5% of the hitters he faced. Andrew Miller (42.6%) and Brad Boxberger (42.1%) also made the top 10 seasons ever. Dellin Betances (39.6%), Wade Davis (39.1%) and Craig Kimbrel (38.9%) made the top 20. Chapman’s swinging-strike% of 20% beat ’12 Kimbrel by .8%, but he couldn’t pass ’04 Lidge, ’03 Gagne, ’04 Gagne, ’02 Gagne or ’05 Lidge. Chapman, Miller, Doolittle, Boxberger, Betances (Wade Davis and Kenley Jansen close behind) all had historical, top 20 K-BB rates. Relievers dominate this list: only ’99 Pedro Martinez (#12), ’00 Pedro Martinez (#21), ’01 Randy Johnson (#27) and ’01 Pedro Martinez (#28) make it into the top 30, but it’s clear that we have a growing list of elite relievers.

From a fantasy perspective, thanks to 45+ saves totals out of Holland and Kimbrel, we had two relievers ranked in the top 20 pitchers. If Chapman didn’t miss time and Betances and Davis consumed the closer role, we would have had 3 others. Last year, Craig Kimbrel and his 4 wins, 50 saves, 98 SO’s, 1.21 ERA and .88 WHIP campaign made him the 3rd most valuable pitcher. This year with Kershaw, Cueto, Felix and Kluber, it would have taken even more.

If we combined the 3 more dominating performances exclusive of saves this year: Aroldis Chapman’s K-rate (52.5%) and saves total (36), Dellin Betances IP (90) – who was dominating in his own right, Wade Davis’ ERA (1.00) and Wins total (9) and Sean Doolittle’s WHIP (.73) – let’s call this guy Aroldellin Dooldavis, we would wind up with a 10.95 z-sum…just above Corey Kluber (10.72), but under Clayton Kershaw (13.74), Johnny Cueto (12.95) and Felix Hernandez (12.50). Even 50 saves wouldn’t have done the trick (12.43 z-sum):

Name Age IP WHIP zWHIP ERA zERA W zW SO zSO SV zSV 5×5
Clayton Kershaw 26 198.1 0.86 4.23 1.77 3.53 21 3.38 239 2.95 0 -0.34 13.74
Johnny Cueto 28 243.2 0.96 3.91 2.25 3.22 20 3.16 242 3.01 0 -0.34 12.95
Felix Hernandez 28 236 0.92 4.29 2.14 3.37 15 2.06 248 3.12 0 -0.34 12.50
Aroldellin DoolDavis 25 90 0.73 2.50 1 2.25 9 0.74 177 1.77 50 5.17 12.43
Corey Kluber 28 235.2 1.09 2.14 2.44 2.69 18 2.72 269 3.52 0 -0.34 10.73
Adam Wainwright 32 227 1.03 2.79 2.38 2.72 20 3.16 179 1.80 0 -0.34 10.13
Jon Lester 30 219.2 1.1 1.88 2.46 2.46 16 2.28 220 2.59 0 -0.34 8.86
David Price 28 248.1 1.08 2.40 3.26 0.89 15 2.06 271 3.56 0 -0.34 8.56
Chris Sale 25 174 0.97 2.68 2.17 2.43 12 1.40 208 2.36 0 -0.34 8.52
Madison Bumgarner 24 217.1 1.09 1.97 2.98 1.35 18 2.72 219 2.57 0 -0.34 8.27
Zack Greinke 30 202.1 1.15 1.18 2.71 1.78 17 2.50 207 2.34 0 -0.34 7.46
Max Scherzer 29 220.1 1.18 0.94 3.19 0.93 18 2.72 252 3.20 0 -0.34 7.45
Jordan Zimmermann 28 199.2 1.07 2.02 2.66 1.85 14 1.84 182 1.86 0 -0.34 7.22
Julio Teheran 23 221 1.08 2.13 2.89 1.57 14 1.84 186 1.94 0 -0.34 7.13
Stephen Strasburg 25 215 1.12 1.61 3.14 1.01 14 1.84 242 3.01 0 -0.34 7.12
Garrett Richards 26 168.2 1.04 1.96 2.61 1.64 13 1.62 164 1.52 0 -0.34 6.39
Greg Holland 28 62.1 0.91 1.11 1.44 1.28 1 -1.02 90 0.10 46 4.73 6.21
Craig Kimbrel 26 61.2 0.91 1.09 1.61 1.16 0 -1.24 95 0.20 47 4.84 6.06

 


Bullpen Report: September 20, 2014

The closer grid is updated below, but first up is your current rankings for 5×5 (W,SO,ERA,WHIP,SV), 6×6 (+HLD) and rate-stat (K/9, BB/9, HR/9, H/9, ERA) leagues using z-scores (rate stats adjusted by IP) for each category. It’s currently sorted by the standard 5×5 format. Scroll to the right for all of the individual z-scores in gray. I highlighted the relievers in green:

Here is yesterday morning’s review of Friday’s games including a grundle-grab reference, Edward Mujica probably sticking at closer, Drew Storen definitely sticking at closer, a White Sox closer swap rewarded with shakiness, and an update on Glen Glen Glen!

Read the rest of this entry »


NL $1 Option: Jon Niese

There have been requests for some deeper sleepers from managers in NL- and AL-only leagues, and so these dudes will abide. Over the next couple of weeks, Brian Joura and I will cover a few sleeper starters that you might be able to snag for a dollar in your NL- or AL-only draft. Joura kicked off this mini-series with a look at Jeff Francis this morning.

It seems that Jonathon Niese is currently in a battle with fellow lefty Hisanori Takahashi for the fifth starter position on the New York Metropolitans. If the Mets use the spring training stats to decide the battle, Niese will lose. Then he’ll end up in the minor leagues, starting every fifth day, and waiting for the Mets’ brass to finally tire of Mike Pelfrey or Oliver Perez once and for all. Because his long-term upside is superior, we’ll take a look at Niese here. Takahashi is 34, and though he features four legitimate pitches, he wasn’t a heavy strikeout ace in Japan and didn’t show a ton of durability either. He can hit the strike zone, but you wonder what will happen once the league sees him a couple of times.

Niese is in a different situation than the mid-career crafty veteran out of Japan. He is 23, was just ranked the Mets #5 prospect by maven Marc Hulet, and owns at least one strong major league pitch – his curveball. Or at least, that’s what the scouting reports say. As Hulet pointed out in his blurb on the young southpaw, his most effective pitch last year was actually his cutter (+1.3 runs). But now that’s two major league pitches, and it looks like he’s using them more and more each year and using his scratch-level 90-MPH fastball (-0.8 runs last year). It could be a nice mix even without an overpowering fastball.

There seems to be some institutional hesitancy when it comes to Niese, though. Perhaps his merely above-average strikeout rates in the minor leagues (7.83 K/9 career in the minors) didn’t inspire them. After putting together 22 starts in AA at age 22 (2008) with a nice strikeout rate (8.11), a decent walk rate (3.18), and a good groundball rate (53.1%), the Mets did call him up for two major league starts. The first major league player he pitched to (Rickie Weeks) took him deep, and it may have looked like he had a poor debut, but he did okay for a young guy and even racked up 11 strikeouts in his 14-inning cup of coffee.

Maybe it’s the constant speed of the New York news cycle, but when the team started Niese in AAA last year, it seemed to be a statement about the org’s belief in him. As could be expected, his strikeout rate fell a little (7.26 K/9), but everything else held steady and he earned his way back to the majors as an injury replacement for Oliver Perez first and John Maine second. Though the sample size wasn’t large, and the strikeout rates weren’t impressive (6.31 K/9), Niese seemed to settle down and pitched to a 3.25 FIP by limiting walks and improving his ground ball rate. His home run rate also fell precipitously (1.29 HR/9 in 2008, .35 in 2009), which was more in line with his career numbers in the minor leagues (0.53 HR/9 career in the minor leagues).

In any case, given the underwhelming nature of the starters in the rotation ahead of him, and their various injury histories, it certainly seems that the Mets will have no choice but to give Niese more starts this year. If Niese continues his trajectory by inducing more ground balls and limiting the walks, it seems that he would be a decent NL $1 option in 2010.


Interesting Week 20 Two-Start Pitchers

It is a three Hernandez and two Martinez week! Everyone is happy when one of their pitchers is scheduled for two starts in a week. But that is not always a good thing. Here are five pitchers you may be on the fence about (or should be on the fence) putting into your lineup for Week 20

Fausto Carmona – Since returning from the minors, Carmona has pitched well, with a 2.65 ERA in three starts. But he has allowed more walks (10) than strikeouts (7), his WHIP checks in at 1.588 and his record is 0-1. If those are the numbers he puts up when he is pitching well, what happens with a bad outing or two? Leave him on the bench for his two starts this week.

Manny Parra – It is tough to win games with a 1.84 WHIP yet that is exactly what Parra is doing. He has won his last four starts despite a 6.48 ERA. Unless you are desperate for wins, they are simply not worth the ratios. And with those ratios there is little chance that the wins will continue to follow.

Oliver Perez – Before being sent to the minors, Perez had a 9.97 ERA in five games. Since returning he has posted a 3.72 ERA in seven games. With Perez you are sure of two things: his WHIP is going to be terrible and he is going to pile up strikeouts (38 in 38.2 IP in his last seven games). His ERA has been acceptable since returning so the wild card is his wins total. In his last three starts he left the game with the lead only to see the bullpen blow wins for him. Perez does well against lefty-heavy lineups and this week he faces the Braves and the Phillies. He has won six of 10 career decisions versus Atlanta and Philadelphia features lefty swingers Utley, Howard and Ibanez. Put him in your lineup this week if you can take the WHIP damage.

David Price – The HR rate has really hurt Price this season, especially on the road. He has allowed 13 HR this year and nine of those have come away from Tropicana Field. In home games, Price is 5-1 with a 2.72 ERA and a 1.286 WHIP. Make sure he is active this week with home starts against Baltimore and Texas.

Scott Richmond – Before going to the disabled list with shoulder tendinitis, Richmond was pitching his best ball of the season, going seven or more innings in his last three starts before hitting the DL. His first start back was rough and then he allowed 3 ER in 6 IP his last outing in Yankee Stadium. Richmond has a tough start versus Josh Beckett this week, but I still like him as a two-start pitcher this week with his two home games.

Other scheduled two-start pitchers in Week 20 are listed below. Please remember that these are projected pitchers and changes can and will happen between now and next week.

Sabathia, Lincecum, Beckett, F. Hernandez, Burnett, Verlander, Carpenter, Jimenez, Nolasco, Lowe, Hanson, Buehrle, Dempster, Scherzer, Billingsley, E. Santana, Feldman, Hunter, Norris, Liriano, Pavano, Garland, P. Martinez, Lilly, Bannister, Correia, L. Hernandez, Villanueva, Hart, Bailey, Mazzaro, D. Hernandez, Bell, Jef Weaver, Boggs, J. Martinez, Stammen, Carrillo, Berken.

Check back Sunday for an update of two-start pitchers.

Now, I would like to take a step back and provide some accountability for previous picks. There needs to be a two-week time lag because last week’s pitchers have yet to complete their second start. So here are my selections for Week 18 and how they did.

Baker – Advised to start. W, 4.76 ERA, 7 Ks, 1.15 WHIP (2 starts)
Latos – Advised to start. 2 W, 2.08 ERA, 10 Ks, 1.15 WHIP (2)
Morton – Advised to start. 4.09 ERA, 5 Ks, 1.55 WHIP (2)
Penny – Advised to sit. 7.50 ERA, 5 Ks, 1.33 WHIP (1)
Wells – Advised to sit. W, 4.26 ERA, 8 Ks, 1.42 WHIP (2)


Week 16 Trade Possibilities

Hopefully you were able to pick up Roy Oswalt and Tim Stauffer last week. But even if you stood pat there are still plenty of acquisition targets and trade bait guys out there for you. So, here are five guys to pick up and five guys to move.

Obtain

Kevin Youkilis – His AVG has taken a big hit since coming off the DL, falling 89 points. But nobody seriously expected him to challenge for .400, either. He is riding a modest six-game hitting streak and more importantly, is showing good power. In his last 16 games, Youkilis has a .281-5-14-13-0 fantasy line. He seems like a good bet to match last year’s power numbers, which many people doubted Youkilis could do again in 2009.

Oliver Perez – I can hear the groans already. Perez is terrible, he has no control and he is just as likely to get shelled as he is to pitch a good game. But in his first two games since being back, Perez has delivered exactly what a fantasy owner should expect from him – a W, good strikeout numbers (8 in 11 IP) and a high but acceptable ERA (4.09). I would recommend not actually watching him pitch, but in his 14 or so remaining starts if Perez delivers 6 W, a 4.00 ERA and his current 7.71 K/9, I think that would be nice production for the back of a team’s rotation from a guy likely available on the waiver wire.

Garret Anderson – Stat heads hate him because he does not walk and posts poor OBP numbers. But fantasy players like his AVG and respectable numbers in other categories. In mid-June, Anderson was hitting just .254 but since then his bat has been heating up. Over his last 30 games, Anderson is batting .336 with 17 RBIs in 107 ABs. He is no longer an everyday player, but Anderson still has the ability to hit for a high AVG and not kill you in the power categories.

Mat Latos – This week’s Padres pitcher recovering from an injury is Latos. He was ranked as one of the top HS pitchers in the 2006 draft but fell due to signability concerns. The Padres took him on the 11th round and he ended up at Broward CC. After a good JuCo season, San Diego gave him a seven-figure signing bonus before the ’07 draft. Latos missed most of the 2008 season with a strained intercostals muscle. But he was very impressive this season in the minors, going 8-1 with 1.37 ERA with 73 strikeouts in 72.1 innings combined between Single-A and Double-A, with the majority of his work occurring in the Texas League. Latos has already made one start for the Padres, where he showed a fastball that averaged 94.9 mph. He is on a strict pitch count for right now, which may limit his W potential, but he is a talented pitcher who may be under the radar of many fantasy owners.

Miguel Montero – For most of the first three months of the season, Montero was a huge disappointment. But he has a .413/.439/.683 slash line over his last 16 games. After teasing fantasy owners with glimpses of talent the past two seasons at the major league level, Montero apparently is putting it together here in July.

Exchange

Todd Helton – After last year’s injury-riddled campaign, Helton has bounced back with an impressive .324 AVG. In his last 22 games, Helton is batting .346 but it is the “emptiest” .346 you are likely ever to see. He has just 1 HR, 10 RBIs and 8 R in that span and 0 SB. Helton’s .359 BABIP is not out of line with marks he has put up in his past but it would surprise virtually nobody if that mark fell some and at this point, AVG is the only category that Helton is a plus player anymore.

A.J. Burnett – The strikeouts are down while the walks and HR allowed are up from 2008. Yet his ERA is 26 points lower than a season ago. Burnett’s FIP checks in at 90 points higher than his ERA. A slightly lower than normal .283 BABIP helps but the big thing right now is a career-best 79.5 percent strand rate. Burnett is 4-1 with a 1.82 ERA in his last six games, but that includes 14 shutout innings against the Mets, a team he will not see again this season.

Alfonso Soriano – A .279 BABIP gives hope for a second-half rebound for Soriano, but as R.J. Anderson pointed out earlier in the month, pitchers have altered their approach to Soriano and his season-long slump shows no signs of letting up anytime soon. Pitchers are throwing fewer fastballs to Soriano and his numbers have declined across the board. Outside of RBIs, Updated ZiPS has him failing to reach the fantasy numbers he put up in 2007, when he played in 135 games. Soriano is on target for 155 games this year.

Brad Penny – The good news is that he pitches for a team that scores 5.16 runs per game and his FIP is 81 points lower than his ERA. The bad news is that his spot in the rotation is hardly guaranteed. He has been a decent option in deep mixed leagues or AL-only ones, but time appears to be running out. His first start after the All-Star break (5 IP, 6 ER) was not encouraging.

Jonny Gomes – A .304/.395/.549 slash line looks great for a player bound to see more playing time with the injury to Jay Bruce. But Gomes has a .397 BABIP and he is unlikely to maintain his 18.2 HR/FB ratio going forward. Also, the Cincinnati fan base turned on Adam Dunn for his propensity to strike out often. How will they treat a full-time Gomes who has a 32.4 percent K rate this season, which would look right in line with Dunn’s Reds career?


Stock Watch: 5/4

Stock Up

Andruw Jones, Rangers

Remember the state of Jones’ career one year ago? He was coming off an incredulously bad beginning with the Dodgers (.159/.282/.250 last April), on his way to an apocalyptic .234 wOBA and -17.9 Batting Runs in just 238 PA. It was a startlingly abrupt fall for a guy who had posted 3.6 Wins Above Replacement in a “down” 2007 season. Essentially given a settlement package by the Dodgers to leave LA and never, ever return, Jones has crushed the ball thus far with the Rangers. The corpulent out-maker of ’08 is nowhere to be found, as the 32 year-old has a .507 wOBA (.333/.500/.718) in 52 plate appearances. With Jones channeling his inner Barry Bonds, David Murphy getting in touch with his inner Juan Pierre (.260 wOBA) and Josh Hamilton hitting the DL (finding his inner Milton Bradley?), Andruw should definitely be on your radar.

Dexter Fowler, Rockies

A lanky 6-4 center fielder endowed with a full complement of tools, Fowler is off to an excellent start with Colorado. Aside from his five SB bonanza versus Padres righty Chris Young, Fowler has a .363 wOBA in 82 PA after jumping straight from Double-A. He’s working the count well (10 BB%, 19.7 Outside-Swing%), has shown some pop (.153 Isolated Power) and he’s 9-for-10 in the steals department (a welcome change for a guy whose raw speed had produced a pernicious 66.4% SB success rate over the past three minor league seasons). The 23 year-old switch-hitter has earned an everyday gig with the Rockies, and his broad skill-set makes him well worth acquiring.

Kevin Youkilis, Red Sox

When Youkilis slugged .569 and thumped 29 homers in 2008, most figured that his power numbers would regress more toward his career averages in 2009. After all, his career-high SLG% prior to that was .453, in 2007. So far, the 30 year-old has done his best to quash those thoughts: with 6 dingers and a .744 slugging percentage, Youkilis has produced a .528 wOBA that leads all major league hitters. After four straight seasons of decreasing walks and increasing Outside-Swing percentages (chronicled in more detail here), Youk is drawing free passes at a career-high 15.7% clip.

Adam Jones, Orioles

Jones was covered here a few weeks ago, but his significant progress with the lumber deserves further mention. Jones was among the most free swingers in the game during the 2008 season (his 36.2 Outside-Swing% was leaps and bounds above the 25.4% MLB average, and ranked 9th-highest among all hitters), but he’s curtailed that Francoeur-esque approach in 2009. His O-Swing% is down to a more reasonable 26.5%, and his walk rate his climbed to 8.8% from a paltry 4.6% in ’08. As a result, the 23 year-old has put himself in the hole with less frequency this season: his First-Pitch Strike% has fallen from 66% in 2008 to 59.1% in 2009 (57.6% MLB average). No, he won’t come anywhere close to hitting .355, but Jones’ more enlightened plate approach is a welcome sight.

Yovani Gallardo, Brewers

Gallardo has been every bit the ace he was billed as, with a slick 3.78 K/BB ratio and a 3.37 FIP. He’s benefitting from a .220 BABIP, but with 8.83 K’s per nine, 2.34 BB/9 and a greater number of grounders (47.7 GB%, compared to a 38.7% career average), Gallardo has the skills to remain among the very best in the NL.

Stock Down

David Ortiz, Red Sox

During the off-season, I wondered if the days of “Big Papi” were now a relic of the past, to be replaced by the much-less-catchy “Medium Papi” era. Right about now, Boston would love to have even a mildly productive Papi: the 33 year-old has a sordid .271 wOBA in 114 PA. Ortiz has been uncharacteristically impatient at the dish: his 28.2 Outside-Swing% is well above last year’s 20.6% mark and his 18.3% career average. He’s also making more contact on those outside pitches (59.4 Outside-Contact%, 53.4% in 2008), likely meaning he’s been making more weak contact on “pitcher’s pitches” off the plate. Combine the hacking with an ISO that looks like a misprint (.094) and a tendency to get jammed (his Infield/FB% is 18.6%, compared to an 8.3% career average), and you have a fellow who has produced -6.8 batting runs on the season.

Daniel Cabrera, Nationals

The Nats brought in Cabrera from the O’s this past offseason, hoping to find even remnants of the 6-7, hard-throwing groundball pitcher who looked highly promising during the middle part of the aughts. Unfortunately, Cabrera’s skills have eroded even further this season. His K rate (just 4.75 in ’08, after sitting in the 7-9 range earlier in his career) has dropped to a microscopic 3.33 per nine innings, and he’s issuing an absurd number of free passes (6.29 BB/9). Cabrera sat at 96.2 MPH with his heater in 2005, yet he’s barely cracking 90 this season (90.5 MPH, down over 2 MPH from last season).

Perhaps in recognition of his diminished fastball, Cabrera is mixing in more breaking pitches: his league-high fastball usage in 2008 (82.5%) has been ratcheted down to 67.9%, with more sliders and changeups instead. Unfortunately, he has next to no control of those secondary offerings, either: just 41.8% of his pitches have crossed home plate (48.9% MLB average). The result of all this ugliness is a 5.72 FIP. Cabrera won’t turn 28 until the end of the month, yet it seems as though he’s completely lost the ability to pitch at the major league level within a span of four seasons.

Joe Saunders, Angels

How long can Saunders keep this act up? He posted a 3.41 ERA last season, but a low whiff rate (4.68 K/9) and good fortune on balls in play (.267 BABIP) indicated that regression would find him: his FIP was a less-impressive 4.36. In 2009, Saunders has posted an identical 3.41 ERA in 31.2 frames, yet his FIP has trailed further south (4.87), while his strikeout total (2.56 K/9) would make Kirk Rueter blush. Again benefitting from a low BABIP (.252), Saunders is a great sell-high candidate.

Travis Hafner, Indians

Wither Pronk? Hafner (coming off an ugly, injury-marred 2008 season) had been doing his best “Hulk Smash” impression in the early portion of the season, posting a .394 wOBA and a .270 ISO. Unfortunately, his surgically repaired shoulder again acted up, pushing him to the DL. On the positive side, Hafner’s absence should open the door for the recently recalled Matt LaPorta.

Oliver Perez, Mets

Perez’s scattershot control has come completely off the rails in 2009. Never known for painting the corners, Perez has issued 8.72 BB/9 this year, with a near-ten ERA and a 6.17 FIP. When he’s not walking the yard, Ollie has surrendered line drives at a 29% clip. Batters have understandably plastered the lumber to their shoulders, chasing Perez’s outside offerings just 13.2% of the time (the lowest rate among starters). The 27 year-old’s fastball is coming in at 89.2 MPH (down two ticks from last year). Is Perez hurt? And if not, isn’t that almost worse?