Miami Marlins
Seth Martinez has thrown 4,169 pitches that have been tracked by the PITCHf/x system between 2021 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Slider (77mph) and Fourseam Fastball (90mph), also mixing in a Change (84mph), Cutter (85mph) and Sinker (89mph).
In 2025, compared to other RHP:
Their slider comes in below hitting speed, sweeps across the zone, results in more flyballs compared to other pitchers' sliders and has less than expected depth. Their fourseam fastball has heavy sinking action, has below average velo, results in somewhat more flyballs compared to other pitchers' fourseamers and has slight armside run. Their change dives down out of the zone and results in many more groundballs compared to other pitchers' changeups. Their cutter generates a high number of swings & misses compared to other pitchers' cutters, is an extreme flyball pitch compared to other pitchers' cutters, has below average velo, has some natural sink and has strong cutting action. Their sinker has heavy sinking action, has below average velo and has less armside run than typical.