Ronald Belisario vs. Cal Quantrill — Career Comparison

Cal Quantrill built a career as a starting pitcher and Ronald Belisario as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ronald Belisario led in home run suppression (HR9+ 177 vs 102), run prevention (ERA+ 118 vs 101), and skill-based run prevention (DICE+ 109 vs 93). Role difference aside, Ronald Belisario holds a clear edge on every meaningful shared measure.