Mark Leiter vs. Wandy Peralta — Career Comparison

Mark Leiter 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. Mark Leiter led in strikeout rate (K%+ 107 vs 73), walk avoidance (BB%+ 105 vs 92), and skill-based run prevention (DICE+ 93 vs 81). Wandy Peralta held the edge in home run suppression (HR9+ 120 vs 80). Keeping the role difference in mind, the edge still goes to Mark Leiter.