Seattle Mariners
Josh Fleming has thrown 6,421 pitches that have been tracked by the PITCHf/x system between 2020 and 2025, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2025, they have relied primarily on their Sinker (89mph), Cutter (86mph) and Change (82mph), also mixing in a Slider (77mph).
In 2025, compared to other LHP:
Their sinker has heavy sinking action and is a real worm killer that generates an extreme number of groundballs compared to other pitchers' sinkers. Their cutter results in somewhat more flyballs compared to other pitchers' cutters and has some natural sink. Their change is a real worm killer that generates an extreme number of groundballs compared to other pitchers' changeups, dives down out of the zone and generates fewer whiffs/swing compared to other pitchers' changeups. Their slider comes in below hitting speed, sweeps across the zone, generates fewer whiffs/swing compared to other pitchers' sliders, results in somewhat more flyballs compared to other pitchers' sliders and has some two-plane movement.