Arizona Diamondbacks
Zac Gallen has thrown 18,223 pitches that have been tracked by the PITCHf/x system between 2019 and 2026, including pitches thrown in the MLB Regular Season, the MLB Postseason, The World Baseball Classic and Spring Training. In 2026, they have relied primarily on their Fourseam Fastball (94mph) and Slider (89mph), also mixing in a Curve (82mph) and Change (87mph). He also rarely throws a Sinker (94mph).
In 2026, compared to other RHP:
Their fourseam fastball is basically never swung at and missed compared to other pitchers' fourseamers, has less armside movement than typical and has essentially average velo. Their slider is thrown extremely hard and results in somewhat more groundballs compared to other pitchers' sliders. Their curve is basically never swung at and missed compared to other pitchers' curves, has primarily 12-6 movement, is much harder than usual, results in more flyballs compared to other pitchers' curves and has a sharp downward bite. Their change generates fewer whiffs/swing compared to other pitchers' changeups, is much firmer than usual, results in somewhat more groundballs compared to other pitchers' changeups and has some natural sink to it. Their sinker generates fewer whiffs/swing compared to other pitchers' sinkers, results in more flyballs compared to other pitchers' sinkers, has less armside run than typical, has little sinking action compared to a true sinker and has slightly above average velo.