Ray Herbert vs. David Robertson — Career Comparison

Ray Herbert built a career as a starting pitcher and David Robertson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. David Robertson led in strikeout rate (K%+ 136 vs 78), run prevention (ERA+ 128 vs 93), and home run suppression (HR9+ 114 vs 85). Ray Herbert held the edge in walk avoidance (BB%+ 157 vs 84). Role difference aside, David Robertson holds a clear edge on every meaningful shared measure.