St. Louis Cardinals
Riley O'Brien has thrown 1,789 pitches that have been tracked by the PITCHf/x system between 2021 and 2024, including pitches thrown in the MLB Regular Season and Spring Training. In 2024, they have relied primarily on their Slider (83mph) and Sinker (97mph), also mixing in a Cutter (90mph). He also rarely throws a Fourseam Fastball (96mph).