Justin Grimm vs. Robin Roberts — Career Comparison

Robin Roberts built a career as a starting pitcher and Justin Grimm as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Justin Grimm led in strikeout rate (K%+ 114 vs 84), home run suppression (HR9+ 105 vs 76), and run prevention (ERA+ 104 vs 88). Robin Roberts held the edge in walk avoidance (BB%+ 166 vs 91). Role difference aside, Justin Grimm holds a clear edge on every meaningful shared measure.