St. Louis Cardinals
Although he has not thrown an MLB pitch in 2020, Jack Flaherty threw 6,437 pitches that were tracked by the PITCHf/x system between 2017 and 2019, including pitches thrown in the MLB Regular Season and the MLB Postseason. In 2019, he relied primarily on his Fourseam Fastball (95mph) and Slider (85mph), also mixing in a Sinker (93mph) and Curve (78mph). He also rarely threw a Change (87mph).
Basic description of 2019 pitches compared to other RHP:
His fourseam fastball has less armside movement than typical, has some natural sinking action and has slightly above average velo. His slider generates a high number of swings & misses compared to other pitchers' sliders and has short glove-side cut. His sinker generates an extremely high number of swings & misses compared to other pitchers' sinkers, has less armside run than typical, results in somewhat more flyballs compared to other pitchers' sinkers and has some natural sinking action. His curve generates a very high amount of groundballs compared to other pitchers' curves, generates more whiffs/swing compared to other pitchers' curves, has a sharp downward bite and has slight glove-side movement. His change is much firmer than usual.