• Caleb Thielbar Promoted, Kyle Gibson Next?

    Left-handed relief pitcher Caleb Thielbar, who played in Randolph, Minnesota and pitched for the St. Paul Saints as recently as 2011, will be called up by the Minnesota Twins today. To make room on the roster, the Twins are demoting fifth starter Pedro Hernandez to Rochester. That would open up a spot for Twins starting pitching prospect Kyle Gibson to make his big league debut on Friday.

    Thielbar was signed by the Twins out of the independent Northern League in 2011 and raced through High-A and AA up to AAA-Rochester in 2012. He began this year fairly slowly, but, most recently, has had eight straight outings without an earned run. His overall numbers include more strikeouts (34) than innings pitched (26.1) and good control (just 8 BB). (For more on Thielbar, check out his "Adopt-A-Prospect" page on Twins Daily.)

    The Twins travel to Atlanta this week, a National League city, where they will be unable to use a designated hitter. American League teams often like to add a bullpen arm for such trips. With Hernandez's demotion, the Twins are shorting themselves a fifth starter until Friday, when they next need one. If that's the case, Theilbar's promotion to the big leagues could be short-lived.

    For Friday's start, the assumption is that Kyle Gibson would be first in line to join the Twins rotation. Gibson, a first-round draft choice who missed most of 2012 coming back from Tommy John surgery, has thrown two complete game shutouts in his last three outings. Gibson is also on the 40-man roster. The only other AAA starter on the 40-man is Cole DeVries, who is also just coming back from an injury. He too pitched on Sunday, so his next turn in the rotation could also fall on Friday.

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    Comments 22 Comments
    1. jorgenswest's Avatar
      jorgenswest -
      I hope the Twins aren't using AAA stat lines to decide who is ready to be called up to the starting rotation.

      The only measures that might be stable at this point are ground ball rate, fly rate (70 balls in play) and K/PA (70 PA). W/PA may be close to stable (170 PA).

      Those numbers towards stabilization are at the major league level. My guess is the increased variability in the minors would increase those levels.

      That doesn't mean the decision on who is most ready to be called up can not be performance based. It should be. It only means that the assessment of those that have seen every game and pitch should carry the weight. There is no way anyone who has not regularly seen these guys pitch can make a reliable assessment based on 2013 numbers.
    1. snepp's Avatar
      snepp -
      Quote Originally Posted by Oldgoat_MN View Post
      How much longer would Gibson have to stay in AAA for the Twins to have another year of control?

      Negative 30 days.

      They passed that point a month ago.
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