Boston Red Sox
Justin Slaten has thrown 1,257 pitches that have been tracked by the PITCHf/x system between 2023 and 2025, including pitches thrown in the MLB Regular Season, Spring Training, Fall/Winter Ball and Independent Leagues. In 2025, they have relied primarily on their Fourseam Fastball (97mph) and Cutter (93mph), also mixing in a Curve (85mph) and Slider (85mph).