Tyler Duffey vs. Cal Quantrill — Career Comparison

Cal Quantrill built a career as a starting pitcher and Tyler Duffey as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Tyler Duffey led in home run suppression (HR9+ 119 vs 102), walk avoidance (BB%+ 122 vs 107), and strikeout rate (K%+ 93 vs 82). Cal Quantrill held the edge in run prevention (ERA+ 101 vs 96). Role difference aside, Tyler Duffey holds a clear edge on every meaningful shared measure.