Ken Johnson vs. Marc Rzepczynski — Career Comparison

Ken Johnson built a career as a starting pitcher and Marc Rzepczynski as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Marc Rzepczynski led in home run suppression (HR9+ 193 vs 91), strikeout rate (K%+ 103 vs 83), and skill-based run prevention (DICE+ 101 vs 95). Ken Johnson held the edge in walk avoidance (BB%+ 139 vs 88). Role difference aside, Marc Rzepczynski holds a clear edge on every meaningful shared measure.