Josh Collmenter vs. Mike Willis — Career Comparison

Josh Collmenter built a career as a starting pitcher and Mike Willis as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Josh Collmenter led in walk avoidance (BB%+ 150 vs 100), run prevention (ERA+ 109 vs 81), and home run suppression (HR9+ 89 vs 61). Mike Willis held the edge in strikeout rate (K%+ 87 vs 78). Role difference aside, Josh Collmenter holds a clear edge on every meaningful shared measure.