Non-MLB
Although they have not thrown an MLB pitch in 2024, Dereck Rodríguez threw 5,237 pitches that were tracked by the PITCHf/x system between 2018 and 2023, including pitches thrown in the MLB Regular Season, The World Baseball Classic and Spring Training. In 2023, they relied primarily on their Fourseam Fastball (90mph) and Slider (86mph), also mixing in a Splitter (84mph) and Curve (75mph).
In 2023, compared to other RHP:
Their fourseam fastball has less armside movement than typical, results in somewhat more flyballs compared to other pitchers' fourseamers and has slightly below average velo. Their slider generates fewer whiffs/swing compared to other pitchers' sliders and has less than expected depth. Their splitter generates more whiffs/swing compared to other pitchers' splitters, results in more flyballs compared to other pitchers' splitters and has some natural sink to it. Their curve has an exceptional bite, generates a high number of swings & misses compared to other pitchers' curves, results in more flyballs compared to other pitchers' curves and has slightly below average velo.