Justin Miller vs. Robin Roberts — Career Comparison

Robin Roberts built a career as a starting pitcher and Justin Miller as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Justin Miller led in home run suppression (HR9+ 101 vs 76), strikeout rate (K%+ 100 vs 84), and run prevention (ERA+ 99 vs 88). Robin Roberts held the edge in walk avoidance (BB%+ 166 vs 88). Role difference aside, Justin Miller holds a clear edge on every meaningful shared measure.