Atlanta Braves
Although they have not thrown an MLB pitch in 2026, Jackson Stephens threw 4,387 pitches that were tracked by the PITCHf/x system between 2017 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they relied primarily on their Cutter (90mph) and Sinker (93mph), also mixing in a Curve (76mph), Fourseam Fastball (92mph), Change (86mph) and Slider (85mph).
In 2025, compared to other RHP:
Their cutter generates more whiffs/swing compared to other pitchers' cutters, results in somewhat more groundballs compared to other pitchers' cutters, has slightly above average velo, has some natural sink and has strong cutting action. Their 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. Their curve has sweeping glove-side movement, generates more whiffs/swing compared to other pitchers' curves, has a sharp downward bite and has slightly below average velo. Their fourseam fastball has heavy sinking action, is a real worm killer that generates an extreme number of groundballs compared to other pitchers' fourseamers, has less armside movement than typical and has essentially average velo. Their change dives down out of the zone, generates fewer whiffs/swing compared to other pitchers' changeups, is slightly firmer than usual and results in somewhat more flyballs compared to other pitchers' changeups. Their slider has exceptional depth and is an extreme flyball pitch compared to other pitchers' sliders.