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As noted last night on MLB Trade Rumors, the Brewers have signed former Diamondbacks pitcher Zach Kroenke to a minor league deal. Kroenke is 28, left handed and a veteran of seven major league appearances, all made with Arizona in 2010 and 2011.
Kroenke has spent most of the last three seasons pitching in AAA Reno, a notorious hitters' park, and posted a 5.67 ERA this season while splitting time between the bullpen and rotation. It's hard to tell how seriously to take those numbers, though: The last eight pitchers to throw at least 100 innings in a season for Reno have all had ERAs over 5. The entire PCL carried a 4.69 ERA this season.
Kroenke's best chance to make the 2013 Brewers may be as a lefty specialist, and there's a little potential there: He faced 170 lefties in AAA in 2012 and held them to a .242/.301/.342 line, and again you have to remember that was in the offense-happy PCL.
The Yankees drafted Kroenke in the fifth round in 2005, and he was selected in the Rule 5 Draft by the Marlins in 2008 (they returned him) and the Diamondbacks in 2009 (they kept him).