Dave Heaverlo vs. Aaron Laffey — Career Comparison

Aaron Laffey built a career as a starting pitcher and Dave Heaverlo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dave Heaverlo led in strikeout rate (K%+ 96 vs 63), walk avoidance (BB%+ 113 vs 82), and run prevention (ERA+ 122 vs 98). Aaron Laffey held the edge in home run suppression (HR9+ 122 vs 113). Role difference aside, Dave Heaverlo holds a clear edge on every meaningful shared measure.