Oliver Perez vs. Jeff Wallace — Career Comparison

Oliver Perez built a career as a starting pitcher and Jeff Wallace as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jeff Wallace led in home run suppression (HR9+ 158 vs 77), run prevention (ERA+ 105 vs 91), and skill-based run prevention (DICE+ 87 vs 87). Oliver Perez held the edge in strikeout rate (K%+ 131 vs 99). Keeping the role difference in mind, the edge still goes to Jeff Wallace.