Aaron Heilman vs. Mark Thurmond — Career Comparison

Mark Thurmond 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. Mark Thurmond led in home run suppression (HR9+ 112 vs 68), run prevention (ERA+ 109 vs 77), and walk avoidance (BB%+ 112 vs 100). Aaron Heilman held the edge in strikeout rate (K%+ 99 vs 64). Role difference aside, Mark Thurmond holds a clear edge on every meaningful shared measure.