David Hernandez vs. Robert Person — Career Comparison

Robert Person built a career as a starting pitcher and David Hernandez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Robert Person led in home run suppression (HR9+ 105 vs 74), run prevention (ERA+ 104 vs 83), and strikeout rate (K%+ 125 vs 105). David Hernandez held the edge in walk avoidance (BB%+ 92 vs 76). Role difference aside, Robert Person holds a clear edge on every meaningful shared measure.