Pittsburgh Pirates
Mitch Keller has thrown 16,226 pitches that have been tracked by the PITCHf/x system between 2019 and 2026, including pitches thrown in the MLB Regular Season and Spring Training. In 2026, they have relied primarily on their Fourseam Fastball (94mph), Slider (83mph) and Sinker (92mph), also mixing in a Change (89mph) and Curve (78mph). He also rarely throws a Cutter (90mph).
In 2026, compared to other RHP:
Their fourseam fastball has some natural sinking action and has essentially average velo. Their slider sweeps across the zone, results in more flyballs compared to other pitchers' sliders and has some two-plane movement. Their sinker is a real worm killer that generates an extreme number of groundballs compared to other pitchers' sinkers and has some natural sinking action. Their change is thrown extremely hard, dives down out of the zone and results in more flyballs compared to other pitchers' changeups. Their curve has an exceptional bite, generates an extremely high number of swings & misses compared to other pitchers' curves, results in somewhat more flyballs compared to other pitchers' curves and has slight glove-side movement. Their cutter generates a very high amount of groundballs compared to other pitchers' cutters, generates more whiffs/swing compared to other pitchers' cutters and has slightly above average velo.