Xavier Hernandez vs. Jim Umbarger — Career Comparison

Jim Umbarger built a career as a starting pitcher and Xavier Hernandez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jim Umbarger led in home run suppression (HR9+ 106 vs 73), run prevention (ERA+ 104 vs 85), and skill-based run prevention (DICE+ 100 vs 90). Xavier Hernandez held the edge in strikeout rate (K%+ 103 vs 88). Role difference aside, Jim Umbarger holds a clear edge on every meaningful shared measure.