Cardinals put faith in defensive numbers in signing Jhonny Peralta

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Jhonny Peralta should be a terrible defensive shortstop.

Defensive ability peaks significantly younger than offensive ability, and Peralta wasn’t really any good defensively in what should have been his prime. As a 24-year-old in 2006, he was the game’s second worst shortstop by UZR. In 2007, he was the fifth worst.

By 2008, Peralta graded out better, playing pretty much average defense according to UZR, but the Indians moved him to third base the next year, making room for Asdrubal Cabrera at short. In 2010, the Tigers acquired him and moved him back to short, where he was again average initially. And then a funny thing happened. Here are Peralta’s career UZRs in the seasons in which he played 500 innings shortstop:

2003: 2.5
2005: -6.1
2006: -10.6
2007: -12.4
2008: -1.0
2011: 10.3
2012: 11.5
2013: 3.5

In both 2011 and 2012, Peralta rated as the game’s third best shortstop. In 2013, he was 14th.

It’s a pretty amazing turnaround made more complicated by the fact that we know Peralta was at least dabbling in PEDs for a portion of it. The narrative for baseball is that steroids=home runs, even though it’s never made much sense to look at it that way. Sprinters, cyclists and the rest didn’t take to doping to build up their biceps.

We know Peralta isn’t a particularly fast guy. He has 13 career steals in 11 seasons, getting caught 21 times. However, his range ratings have gone from horrible in his mid-20s to above average these last three years. The rest of his game has always been solid: even during his days as a bad shortstop, he was above average when it came to avoiding errors and average at turning the double play. His arm is a strength.

As for the range, well, that can largely come down to positioning. Cal Ripken Jr. wasn’t fast either. Troy Tulowitzki isn’t speedy. Adam Everett and Brendan Ryan, two of the game’s very best shortstops over the last decade, weren’t/aren’t factors on the basepaths.

Peralta has obviously gotten much better at learning where to play hitters through the years. To my eyes, he still looks for all the world to be a below average defensive shortstop. But after three years of UZR saying the opposite, I have more faith in the numbers than in my eyes.

I’m still not a fan of the Cardinals’ reported move to give him $52 million for four years. He’s a cheater, and if nothing else, it adds greater uncertainty to what we can expect from him going forward. Offensively, he was great in his 107 games when he wasn’t serving his steroid ban last year, hitting a career high .303 with a .358 OBP and a .457 slugging percentage. However, it took a ridiculous .374 BABIP to produce that .303 average; he actually had his highest strikeout rate since 2007. His career BABIP is .315, and he figures to come in much closer to there next year, which could result in a .260-.270 average. He’s far from a consistent force:

2009: .254/.316/.375 – .691 OPS
2010: .249/.311/.392 – .703 OPS
2011: .299/.345/.478 – .823 OPS
2012: .239/.305/.384 – .699 OPS
2013: .303/.358/.457 – .815 OPS

Of course, just getting average offense and average defense from shortstop would be a huge upgrade over what the Cardinals have received of late. I wouldn’t expect much more and I wouldn’t want to be on the hook for the back half of that contract, but for 2014, he makes the NL’s best team considerably better.

Brandon McCarthy wins final spot in Dodgers’ rotation

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We learned on Monday that Hyun-Jin Ryu won one of the final two spots in the Dodgers’ starting rotation. Brandon McCarthy has won the other, Bill Plunkett of the Orange County Register reports. Alex Wood was McCarthy’s competitor for the spot.

McCarthy, 33, posted a 4.85 ERA across four appearances spanning 13 innings this spring, yielding seven earned runs on 14 hits and a walk with seven strikeouts. Wood, a southpaw, gave up five earned runs in six innings against the Reds on Tuesday, which might have factored into the decision.

Last season, McCarthy made nine starts and one relief appearance, posting a 4.95 ERA with a 44/26 K/BB ratio in 40 innings. In the event McCarthy falters, the club has Wood as well as Julio Urias and the injured Scott Kazmir as potential replacements.

Yankees re-sign Jon Niese to a minor league deal

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The Yankees have re-signed pitcher Jon Niese to a minor league contract, George A. King III of the New York Post reports. Niese was released on Sunday, but he’ll stick around and provide rotation depth for the Yankees.

Niese had knee surgery last August and got a late start to spring training as a result. In six spring appearances lasting an inning each, the lefty gave up three earned runs on five hits and a walk with five strikeouts.

Niese, a veteran of nine seasons, put up an aggregate 5.50 ERA with an 88/47 K/BB ratio in 121 innings last season between the Pirates and Mets.