A. J. Griffin vs. Dan Jennings — Career Comparison

A. J. Griffin built a career as a starting pitcher and Dan Jennings as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dan Jennings led in home run suppression (HR9+ 259 vs 64), run prevention (ERA+ 161 vs 97), and skill-based run prevention (DICE+ 104 vs 83). A. J. Griffin held the edge in strikeout rate (K%+ 108 vs 82). Keeping the role difference in mind, the edge still goes to Dan Jennings.