Chicago Cubs
Mark Leiter Jr. has thrown 4,617 pitches that have been tracked by the PITCHf/x system between 2017 and 2024, all of them occuring in the MLB Regular Season. In 2024, they have relied primarily on their Sinker (92mph) and Splitter (85mph), also mixing in a Slider (80mph), Cutter (89mph) and Curve (74mph).