In , Dan Haren led all major league starting pitchers with nearly 48% of his pitches classified by PITCHf/x as cutters. Roy Halladay was close behind at 45%. Other pitchers who rely (or relied) heavily on a cut fastball include Jon Lester, James Shields, Josh Tomlin, Will Harris, Mark Melancon, Jaime Garcia, Wade Miley, David Robertson, Jerry Reuss, and Andy Pettitte. Over the course of Kenley Jansen's career from (2010-present) he has thrown his cutter 85.1% of the time, second only to Rivera at 87.2% among pitchers with at least 30 innings during that time period.