Juan Acevedo vs. Ken Johnson — Career Comparison

Ken Johnson built a career as a starting pitcher and Juan Acevedo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ken Johnson led in walk avoidance (BB%+ 139 vs 103), run prevention (ERA+ 100 vs 85), and skill-based run prevention (DICE+ 95 vs 82). Role difference aside, Ken Johnson holds a clear edge on every meaningful shared measure.