Jeremy Jeffress vs. Ken Johnson — Career Comparison

Ken Johnson built a career as a starting pitcher and Jeremy Jeffress as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jeremy Jeffress led in home run suppression (HR9+ 180 vs 91), run prevention (ERA+ 163 vs 100), and skill-based run prevention (DICE+ 117 vs 95). Ken Johnson held the edge in walk avoidance (BB%+ 139 vs 110). Role difference aside, Jeremy Jeffress holds a clear edge on every meaningful shared measure.