Grant Balfour vs. Cal Quantrill — Career Comparison

Cal Quantrill built a career as a starting pitcher and Grant Balfour as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Grant Balfour led in strikeout rate (K%+ 123 vs 82), home run suppression (HR9+ 123 vs 102), and skill-based run prevention (DICE+ 107 vs 93). Cal Quantrill held the edge in walk avoidance (BB%+ 107 vs 83). Role difference aside, Grant Balfour holds a clear edge on every meaningful shared measure.