Robin Roberts vs. Frank Williams — Career Comparison

Robin Roberts built a career as a starting pitcher and Frank Williams as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Frank Williams led in home run suppression (HR9+ 185 vs 76), run prevention (ERA+ 119 vs 88), and strikeout rate (K%+ 96 vs 84). Robin Roberts held the edge in walk avoidance (BB%+ 166 vs 81). Role difference aside, Frank Williams holds a clear edge on every meaningful shared measure.