Ray Herbert vs. Jack O'Connor — Career Comparison

Ray Herbert built a career as a starting pitcher and Jack O'Connor as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ray Herbert led in walk avoidance (BB%+ 157 vs 82), run prevention (ERA+ 93 vs 80), and skill-based run prevention (DICE+ 96 vs 86). Jack O'Connor held the edge in strikeout rate (K%+ 85 vs 78). Keeping the role difference in mind, the edge still goes to Ray Herbert.