Mike Armstrong vs. Luis Perdomo — Career Comparison

Luis Perdomo built a career as a starting pitcher and Mike Armstrong as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Armstrong led in strikeout rate (K%+ 107 vs 78), run prevention (ERA+ 110 vs 84), and skill-based run prevention (DICE+ 97 vs 93). Luis Perdomo held the edge in home run suppression (HR9+ 108 vs 95). Keeping the role difference in mind, the edge still goes to Mike Armstrong.