Atlanta Braves
Aaron Bummer has thrown 5,978 pitches that have been tracked by the PITCHf/x system between 2017 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Slider (81mph) and Sinker (91mph), also mixing in a Fourseam Fastball (92mph) and Curve (81mph).
In 2025, compared to other LHP:
Their slider is basically never swung at and missed compared to other pitchers' sliders, sweeps across the zone and has exceptional depth. Their sinker has heavy sinking action, has less armside run than typical and results in somewhat more groundballs compared to other pitchers' sinkers. Their fourseam fastball has heavy sinking action, is an extreme flyball pitch compared to other pitchers' fourseamers, generates fewer whiffs/swing compared to other pitchers' fourseamers and has essentially average velo. Their curve is thrown extremely hard, generates an extremely high number of swings & misses compared to other pitchers' curves, has sweeping glove-side movement, is an extreme flyball pitch compared to other pitchers' curves and has a sharp downward bite.