These 15 top-200 starters paid the most in ERA when their four-seam velocity dropped. Blue dot is his ERA on normal starts (within 1.5 mph of his peak). Orange dot is the same on low-velo starts (1.5+ mph below peak). The number on the right is the difference in ERA. Hover any dot for the full detail.
Normal starts (within 1.5 mph of peak)Low-velo starts (1.5+ mph below peak)Vertical line = league-average starter ERA (4.00)