Casey Fossum vs. Jonathan Holder — Career Comparison

Casey Fossum built a career as a starting pitcher and Jonathan Holder as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jonathan Holder led in walk avoidance (BB%+ 159 vs 91), home run suppression (HR9+ 129 vs 89), and skill-based run prevention (DICE+ 117 vs 96). Casey Fossum held the edge in strikeout rate (K%+ 115 vs 100). Role difference aside, Jonathan Holder holds a clear edge on every meaningful shared measure.