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C.J. Wilson's transition from bullpen to rotation has been huge for the Rangers

Aug 31, 2010, 2:48 PM EST

After four years spent exclusively as a reliever C.J. Wilson convinced the Rangers to give him the chance to claim a rotation spot this spring and five months later he’s been one of the best starting pitchers in the American League.
Wilson shut out the Royals for 7.2 innings yesterday, improving to 14-5 with a 2.88 ERA and 140 strikeouts in 171.2 innings. He leads the league with 77 walks, but has made up for it by having the league’s lowest opponents’ batting average and remarkably giving up just eight homers in 707 plate appearances despite calling Texas’ hitter-friendly ballpark home.
He’s been absolutely unhittable against left-handed batters, holding them to a .124 average and zero homers in 129 at-bats, and even right-handers are hitting just .227/.327/.333 against him. He’s essentially taken his effectiveness as a reliever and transferred it almost exactly to starting, all while throwing 100 more (and counting) innings than ever before.
What’s interesting about Wilson’s transition from relieving to starting is that he’s thrown significantly fewer fastballs than he did working out of the bullpen. Each season from 2005-2009 he threw at least 70 percent fastballs, but this year he’s relied on the pitch just 49.1 percent of the time, which is the sixth-lowest rate among all AL starters.
Wilson is throwing a cutter far more, with a great deal of success, and has also leaned heavily on his curveball and changeup after years of barely using either pitch. As a reliever Wilson threw his fastball or slider 90-95 percent of the time, but as a starter he’s used those two pitches just 62 percent of the time. Wilson believed he had the stuff to succeed as a starter, the Rangers gave him the opportunity at age 29, and now he’s got the fourth-best ERA in the league for a first-place team.
Plus, he’s great to follow on Twitter.

  1. Trevor B - Aug 31, 2010 at 3:02 PM

    All year long I’ve been saying for the Twin’s to make Brian Duensing a starter and for the Royals to make Robinson Tejeda a starter. Twin’s let Duensing start and it’s been a good choice. I’m not too familiar with things down in Texas but I’m glad this guy put it together, you don’t see this after 4 years releiving. Sometimes being a releiver too long can ruin guys at starting (see Masterson, Justin).

    At the same time though Matt Guerrier should have been a starter as well, but that’s working out better as a set-up man.

  2. RichardInBigD - Aug 31, 2010 at 3:44 PM

    Let’s see, six more stars, at least four more wins, ERA could drop to mid-2’s… Cy Young candidate? That would mix nicely with the Rangers MVP candidate (Hamilton), Rookie of the Year candidate (Andrus or Feliz), Manager of the Year candidate (Washington), and Executive of the Year (Daniels). Overall, even if they win none of these (East Coast Bias), it’s been a pretty good run for the little Rangers…

  3. ryanbyrne19 - Aug 31, 2010 at 4:37 PM

    Andrus is not a rookie – he played nearly a full season last year.

  4. RichardInBigD - Aug 31, 2010 at 6:01 PM

    I believe that he actually qualifies, as described by the TV and radio guys here in Dallas.

  5. RichardInBigD - Aug 31, 2010 at 6:12 PM

    I apologize, as I confused Andrus with Julio Borbon. And it would seem that, although he started out on the right path, Borbon pretty much played his way out of contention for ROY a while back. Don’t, however, turn your back on Neftali Feliz…

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