Summary
ARIZONA DIAMIONDBACKS Closer Matt Mantei experienced problems with the nails on his index and middle fingers throughout spring training. He strengthened them by applying nail polish. When the index finger bothers him, his fastball is affected, and the middle finger affects his breaking pitches. The club doesn't want Mantei to alter his mechanics to compensate. ...
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Extract
N.L. Reports: Arizona Diamondbacks
ARIZONA DIAMIONDBACKS Closer Matt Mantei experienced problems...
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