Washington Nationals
Although they have not thrown an MLB pitch in 2024, Sean Doolittle threw 7,553 pitches that were tracked by the PITCHf/x system between 2012 and 2023, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2023, they relied primarily on their Fourseam Fastball (92mph) and Slider (78mph), also mixing in a Splitter (82mph).