Roger Clemens vs. Wandy Peralta — Career Comparison

Roger Clemens built a career as a starting pitcher and Wandy Peralta as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Roger Clemens led in strikeout rate (K%+ 143 vs 73), skill-based run prevention (DICE+ 115 vs 81), and run prevention (ERA+ 116 vs 106). Wandy Peralta held the edge in home run suppression (HR9+ 120 vs 115). Role difference aside, Roger Clemens holds a clear edge on every meaningful shared measure.