Casey Fossum vs. Keiichi Yabu — Career Comparison

Casey Fossum built a career as a starting pitcher and Keiichi Yabu as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Keiichi Yabu led in home run suppression (HR9+ 176 vs 89), run prevention (ERA+ 104 vs 94), and skill-based run prevention (DICE+ 99 vs 96). Casey Fossum held the edge in strikeout rate (K%+ 115 vs 89). Role difference aside, Keiichi Yabu holds a clear edge on every meaningful shared measure.