 Feldman is a three-quarters pitcher with a sinker, a low-to-mid-90s fastball, a hard dropping slider, a curve, a changeup, and a 90 mph cut fastball.He changed the angle of his arm from sidearm to three-quarters in September 2007.In August 2009 a scout described him as having three "above-average pitches", and a "filthy" cutter.