Keith Atherton vs. Michael Wacha — Career Comparison

Michael Wacha built a career as a starting pitcher and Keith Atherton as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Michael Wacha led in home run suppression (HR9+ 94 vs 68), skill-based run prevention (DICE+ 96 vs 87), and strikeout rate (K%+ 94 vs 88). Keith Atherton held the edge in walk avoidance (BB%+ 111 vs 107). Role difference aside, Michael Wacha holds a clear edge on every meaningful shared measure.