Diego Castillo vs. Jim Shellenback — Career Comparison

Jim Shellenback built a career as a starting pitcher and Diego Castillo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Diego Castillo led in strikeout rate (K%+ 119 vs 77), run prevention (ERA+ 131 vs 98), and walk avoidance (BB%+ 112 vs 86). Jim Shellenback held the edge in home run suppression (HR9+ 138 vs 112). Role difference aside, Diego Castillo holds a clear edge on every meaningful shared measure.