Pittsburgh Pirates
Mitch Keller has thrown 12,842 pitches that have been tracked by the PITCHf/x system between 2019 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Fourseam Fastball (94mph) and Slider (85mph), also mixing in a Sinker (93mph), Change (89mph) and Curve (78mph).
In 2025, compared to other RHP:
Their fourseam fastball has some natural sinking action, has essentially average velo and results in somewhat more flyballs compared to other pitchers' fourseamers. Their slider sweeps across the zone and has some two-plane movement. Their sinker generates more whiffs/swing compared to other pitchers' sinkers, has slight armside run and has some natural sinking action. Their change is thrown extremely hard, dives down out of the zone, generates a very high amount of groundballs compared to other pitchers' changeups and has slight armside fade. Their curve has an exceptional bite, results in more flyballs compared to other pitchers' curves and has slight glove-side movement.