Seattle Mariners
Although they have not thrown an MLB pitch in 2023, Penn Murfee threw 1,154 pitches that were tracked by the PITCHf/x system in 2022, including pitches thrown in the MLB Regular Season and Spring Training. In 2022, they relied primarily on their Slider (80mph) and Fourseam Fastball (89mph), also mixing in a Sinker (89mph).
In 2022, compared to other RHP:
His slider comes in below hitting speed, sweeps across the zone, results in more flyballs compared to other pitchers' sliders and has some two-plane movement. His fourseam fastball has heavy sinking action, has much less armside movement than typical, has below average velo and results in somewhat more flyballs compared to other pitchers' fourseamers. His sinker has heavy sinking action, is basically never swung at and missed compared to other pitchers' sinkers, has surprisingly little armside run, has below average velo and results in somewhat more flyballs compared to other pitchers' sinkers.