Jon Lester has thrown 29,524 pitches that have been tracked by the PITCHf/x system between 2007 and 2016, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2016, he has relied primarily on his Fourseam Fastball (93mph) and Cutter (89mph), also mixing in a Sinker (92mph) and Curve (76mph). He also rarely throws a Change (86mph).
Basic description of 2016 pitches compared to other LHP:
His fourseam fastball has slightly above average velo and has some added backspin. His cutter has well above average velo, has good "rise" and results in somewhat more groundballs compared to other pitchers' cutters. His sinker is a real worm killer that generates an extreme number of groundballs compared to other pitchers' sinkers, generates a high number of swings & misses compared to other pitchers' sinkers, has slightly above average velo and has some natural sinking action. His curve results in more flyballs compared to other pitchers' curves, has little depth and has slight glove-side movement. His change generates an extremely high number of swings & misses compared to other pitchers' changeups, is an extreme flyball pitch compared to other pitchers' changeups, is much firmer than usual and has slight armside fade.