Dave Roberts vs. Joel Zumaya — Career Comparison

Dave Roberts built a career as a starting pitcher and Joel Zumaya as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Joel Zumaya led in home run suppression (HR9+ 280 vs 86), run prevention (ERA+ 187 vs 82), and strikeout rate (K%+ 134 vs 75). Dave Roberts held the edge in walk avoidance (BB%+ 114 vs 105). Role difference aside, Joel Zumaya holds a clear edge on every meaningful shared measure.