Non-MLB
Although they have not thrown an MLB pitch in 2024, Sandy Rosario threw 816 pitches that were tracked by the PITCHf/x system between 2010 and 2013, all of them occuring in the MLB Regular Season. In 2013, they relied primarily on their Fourseam Fastball (94mph) and Slider (83mph), also mixing in a Splitter (86mph).
In 2013, compared to other RHP:
Their fourseam fastball has heavy sinking action, has essentially average velo and has slight armside run. Their slider is a real worm killer that generates an extreme number of groundballs compared to other pitchers' sliders, is basically never swung at and missed compared to other pitchers' sliders and has exceptional depth. Their splitter is basically never swung at and missed compared to other pitchers' splitters, results in more flyballs compared to other pitchers' splitters, is slightly firmer than usual and has slight armside fade.