Left handed pitching prospect Jeff Locke has been promoted to AAA by the Pittsburgh Pirates.  So far this season, Locke has a 4.03 ERA in 125 innings, along with an 8.2 K/9 and a 3.3 BB/9 ratio.  Locke had a nice start on Wednesday, pitching 5.2 shutout innings, while striking out six.  In his last five starts, the 23 year old has allowed seven earned runs in 30.2 innings, along with a 22:8 K/BB ratio.  This will be Locke's first shot at the AAA level, after pitching 182.2 innings combined at the AA level over the last two seasons....

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