Andrew Chafin vs. Justin Masterson — Career Comparison

Justin Masterson built a career as a starting pitcher and Andrew Chafin as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Andrew Chafin led in run prevention (ERA+ 117 vs 93), walk avoidance (BB%+ 91 vs 77), and skill-based run prevention (DICE+ 116 vs 105). Role difference aside, Andrew Chafin holds a clear edge on every meaningful shared measure.