Washington Nationals
DJ Herz has thrown 2,364 pitches that have been tracked by the PITCHf/x system between 2023 and 2024, including pitches thrown in the MLB Regular Season and Fall/Winter Ball. In 2024, they have relied primarily on their Fourseam Fastball (93mph) and Change (83mph), also mixing in a Slider (86mph). He also rarely throws a Curve (81mph).
In 2024, compared to other LHP:
Their fourseam fastball generates an extremely high number of swings & misses compared to other pitchers' fourseamers, has some natural sinking action, results in somewhat more flyballs compared to other pitchers' fourseamers and has slightly above average velo. Their change results in somewhat more flyballs compared to other pitchers' changeups and has some natural sink to it. Their slider generates fewer whiffs/swing compared to other pitchers' sliders, is much harder than usual, has primarily 12-6 movement and results in somewhat more flyballs compared to other pitchers' sliders. Their curve has primarily 12-6 movement, generates more whiffs/swing compared to other pitchers' curves, is much harder than usual, has little depth and results in somewhat more flyballs compared to other pitchers' curves.