Although they have not thrown an MLB pitch in 2023, Dylan Lee threw 943 pitches that were tracked by the PITCHf/x system between 2020 and 2022, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2022, they relied primarily on their Slider (84mph) and Fourseam Fastball (92mph), also mixing in a Change (86mph).
In 2022, compared to other LHP:
His slider generates a high number of swings & misses compared to other pitchers' sliders and results in somewhat more flyballs compared to other pitchers' sliders. His fourseam fastball generates a high number of swings & misses compared to other pitchers' fourseamers, has less armside movement than typical, has essentially average velo and has some added backspin. His change is a real worm killer that generates an extreme number of groundballs compared to other pitchers' changeups, is much firmer than usual and has slight cut action.