David Hernandez vs. Jim Perry — Career Comparison

Jim Perry built a career as a starting pitcher and David Hernandez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. David Hernandez led in strikeout rate (K%+ 105 vs 74), skill-based run prevention (DICE+ 89 vs 85), and home run suppression (HR9+ 74 vs 72). Jim Perry held the edge in walk avoidance (BB%+ 108 vs 92). Keeping the role difference in mind, the edge still goes to David Hernandez.