Non-MLB
Although they have not thrown an MLB pitch in 2024, Marc Rzepczynski threw 7,441 pitches that were tracked by the PITCHf/x system between 2009 and 2022, including pitches thrown in the MLB Regular Season, the MLB Postseason, The World Baseball Classic, Spring Training and Independent Leagues. In 2022, they relied primarily on their Sinker (88mph) and Slider (80mph), also mixing in a Change (82mph).