Kansas City Royals
Although they have not thrown an MLB pitch in 2023, Jonathan Heasley threw 1,952 pitches that were tracked by the PITCHf/x system between 2021 and 2022, all of them occuring in the MLB Regular Season. In 2022, they relied primarily on their Fourseam Fastball (93mph) and Change (85mph), also mixing in a Curve (79mph) and Slider (86mph).
In 2022, compared to other RHP:
His fourseam fastball has essentially average velo, results in somewhat more flyballs compared to other pitchers' fourseamers and has some added backspin. His change is a prototypical pitch with few remarkable qualities. His curve has an exceptional bite and has primarily 12-6 movement. His slider generates fewer whiffs/swing compared to other pitchers' sliders and has primarily 12-6 movement.