Zack Greinke vs. Bill Wilson — Career Comparison

Zack Greinke built a career as a starting pitcher and Bill Wilson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Zack Greinke led in walk avoidance (BB%+ 162 vs 82), run prevention (ERA+ 99 vs 92), and skill-based run prevention (DICE+ 95 vs 94). Bill Wilson held the edge in strikeout rate (K%+ 104 vs 81). Role difference aside, Zack Greinke holds a clear edge on every meaningful shared measure.