Chicago Cubs
Rob Zastryzny has thrown 2,263 pitches that have been tracked by the PITCHf/x system between 2016 and 2024, including pitches thrown in the MLB Regular Season, The World Baseball Classic and Spring Training. In 2024, they have relied primarily on their Fourseam Fastball (92mph) and Cutter (86mph), also mixing in a Slider (81mph). He also rarely throws a Change (81mph).
In 2024, compared to other LHP:
Their fourseam fastball generates an extremely high number of swings & misses compared to other pitchers' fourseamers, is straight as an arrow, has some natural sinking action and has essentially average velo. Their cutter has heavy sink and has sweeping cut action. Their slider sweeps across the zone, generates a high number of swings & misses compared to other pitchers' sliders and results in more flyballs compared to other pitchers' sliders. Their change dives down out of the zone, generates more whiffs/swing compared to other pitchers' changeups, has slight armside fade and has slightly below average velo.