Boston Red Sox
Robert Stock has thrown 3,775 pitches that have been tracked by the PITCHf/x system between 2018 and 2025, including pitches thrown in the MLB Regular Season, The World Baseball Classic, Spring Training and Independent Leagues. In 2025, they have relied primarily on their Cutter (89mph) and Sinker (94mph), also mixing in a Slider (80mph), Change (81mph) and Fourseam Fastball (94mph).