Brandon Cumpton will make his major league debut tomorrow.

Earlier today we heard a report that Brandon Cumpton would be starting for the Pittsburgh Pirates on Saturday. Later, Clint Hurdle confirmed the report, which means it's time for another installment of "The Book". Or "The Book on". I don't know, I've only done this twice, and after the first time Phil Irwin went down with an arm injury. I don't even know the power this feature has, much less the name.

Cumpton currently has a 3.31 ERA in 65.1 innings with Indianapolis, along with a 6.8 K/9 and a 3.0 BB/9 ratio. He got off to a rough start this year after a return to Altoona, giving up eight earned runs in 9.2 innings over his first two starts. Cumpton was promoted to Indianapolis more out of need than merit, due to the early s...

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