Dellin Betances vs. Nate Robertson — Career Comparison

Nate Robertson built a career as a starting pitcher and Dellin Betances as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dellin Betances led in run prevention (ERA+ 190 vs 91), home run suppression (HR9+ 184 vs 88), and skill-based run prevention (DICE+ 187 vs 92). Nate Robertson held the edge in walk avoidance (BB%+ 96 vs 85). Role difference aside, Dellin Betances holds a clear edge on every meaningful shared measure.