Pittsburgh Pirates
Isaac Mattson has thrown 1,598 pitches that have been tracked by the PITCHf/x system between 2021 and 2024, including pitches thrown in the MLB Regular Season, Spring Training and Independent Leagues. In 2024, they have relied primarily on their Fourseam Fastball (93mph) and Slider (85mph), also mixing in a Change (85mph). He also rarely throws a Curve (78mph).