Detroit Tigers
Jack Flaherty has thrown 16,237 pitches that have been tracked by the PITCHf/x system between 2017 and 2025, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2025, they have relied primarily on their Fourseam Fastball (93mph), Slider (85mph) and Curve (78mph), also mixing in a Change (87mph). He also rarely throws a Sinker (92mph) and Cutter (87mph).
In 2025, compared to other RHP:
Their fourseam fastball has some natural sinking action, has essentially average velo, results in somewhat more flyballs compared to other pitchers' fourseamers and has slightly less natural movement than typical. Their slider has some two-plane movement. Their curve generates an extremely high number of swings & misses compared to other pitchers' curves, has a sharp downward bite and has slight glove-side movement. Their change generates a high number of swings & misses compared to other pitchers' changeups, is slightly firmer than usual and has some natural sink to it. Their sinker generates a high number of swings & misses compared to other pitchers' sinkers, is an extreme flyball pitch compared to other pitchers' sinkers and has some natural sinking action. Their cutter (take this with a grain of salt because they've only thrown 1 of them in 2025) has heavy sink, is basically never swung at and missed compared to other pitchers' cutters, has extreme cut action and is an extreme flyball pitch compared to other pitchers' cutters.