Daniel Schlereth has lowered his arm slot to get more movement on his fastball.
The Pittsburgh Pirates are in a good situation with their left-handed relievers in the majors. Tony Watson looked like one of the best relievers in baseball during the second half of the 2013 season. Justin Wilson put up a 2.08 ERA in his rookie season, although his 3.41 FIP suggests there might be some regression going forward. With that combo, the Pirates don't have any questions about who will be their left-handers in the majors. But every team needs depth, and beyond Watson and Wilson, the Pirates don't have any left-handed relievers to step up should one of those two get hurt or struggle.
One of the top options might become Daniel Schlereth, who was signed over the off-season to a minor league deal, ...
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