Aaron Heilman vs. Dan Petry — Career Comparison

Dan Petry built a career as a starting pitcher and Aaron Heilman as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Aaron Heilman led in strikeout rate (K%+ 99 vs 80), walk avoidance (BB%+ 100 vs 82), and skill-based run prevention (DICE+ 83 vs 82). Dan Petry held the edge in run prevention (ERA+ 90 vs 77). Keeping the role difference in mind, the edge still goes to Aaron Heilman.