Washington Nationals
Although they have not thrown an MLB pitch in 2024, Jonathan Papelbon threw 9,550 pitches that were tracked by the PITCHf/x system between 2007 and 2016, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2016, they relied primarily on their Fourseam Fastball (92mph), also mixing in a Slider (80mph) and Splitter (86mph).
In 2016, compared to other RHP:
Their fourseam fastball has heavy sinking action, has essentially average velo, results in somewhat more flyballs compared to other pitchers' fourseamers and has slight armside run. Their slider comes in below hitting speed, is a real worm killer that generates an extreme number of groundballs compared to other pitchers' sliders and has exceptional depth. Their splitter is a real worm killer that generates an extreme number of groundballs compared to other pitchers' splitters, has some natural sink to it, is slightly firmer than usual and has slight armside fade.