Drafted in the 12th round (351st overall) by the Boston Red Sox in 2015 (signed for $100,000).
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Kelleher has blossomed at New Orleans as a pitcher who bounced between the rotation and the pen. He profiles best in pro ball as a reliever, as he goes from sitting 89-91 mph to 94-95 mph in shorter stints. Kelleher's strikeout pitch is an effective hard slider. He struck out nearly 12 batters a game this year. As a starter he mixes in a fringy changeup, but in the bullpen he can focus on his top two offerings.
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