Carlos Castillo vs. Cal Quantrill — Career Comparison

Cal Quantrill built a career as a starting pitcher and Carlos Castillo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Cal Quantrill led in home run suppression (HR9+ 102 vs 68), run prevention (ERA+ 101 vs 90), and skill-based run prevention (DICE+ 93 vs 82). Carlos Castillo held the edge in walk avoidance (BB%+ 112 vs 107). Role difference aside, Cal Quantrill holds a clear edge on every meaningful shared measure.