David Aardsma vs. Aaron Laffey — Career Comparison

Aaron Laffey built a career as a starting pitcher and David Aardsma as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. David Aardsma led in strikeout rate (K%+ 120 vs 63), skill-based run prevention (DICE+ 99 vs 86), and run prevention (ERA+ 109 vs 98). Aaron Laffey held the edge in home run suppression (HR9+ 122 vs 114). Keeping the role difference in mind, the edge still goes to David Aardsma.