The Mesa Solar Sox lost 4-2 to Peoria today.  Jarek Cunningham was the only Pittsburgh Pirates hitting prospect who played, going 0-for-4 with one strikeout.  Michael Colla pitched a shutout inning, allowing one hit and striking out one.  Colla now has a 4.20 ERA on the season in 15 innings, but does have a 10:10 K/BB ratio, with walks being an issue throughout the season....

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