Although they have not thrown an MLB pitch in 2023, Yerry De Los Santos threw 544 pitches that were tracked by the PITCHf/x system between 2021 and 2022, including pitches thrown in the MLB Regular Season and Spring Training. In 2022, they relied primarily on their Sinker (95mph) and Slider (84mph). He also rarely threw a Fourseam Fastball (95mph).
In 2022, compared to other RHP:
His sinker results in many more groundballs compared to other pitchers' sinkers, has well above average velo, has slight armside run and has some natural sinking action. His slider results in more flyballs compared to other pitchers' sliders and has some two-plane movement. His fourseam fastball (take this with a grain of salt because he's only thrown 7 of them in 2022) is basically never swung at and missed compared to other pitchers' fourseamers, is an extreme flyball pitch compared to other pitchers' fourseamers, has some natural sinking action, has slight armside run and has slightly above average velo.