Don McMahon vs. Ben Rivera — Career Comparison

Ben Rivera built a career as a starting pitcher and Don McMahon as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ben Rivera led in home run suppression (HR9+ 95 vs 76), run prevention (ERA+ 97 vs 87), and skill-based run prevention (DICE+ 93 vs 88). Don McMahon held the edge in walk avoidance (BB%+ 84 vs 76). Role difference aside, Ben Rivera holds a clear edge on every meaningful shared measure.