John Halama vs. Eric O'Flaherty — Career Comparison

John Halama built a career as a starting pitcher and Eric O'Flaherty as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Eric O'Flaherty led in home run suppression (HR9+ 310 vs 97), run prevention (ERA+ 198 vs 105), and skill-based run prevention (DICE+ 126 vs 96). John Halama held the edge in walk avoidance (BB%+ 129 vs 117). Role difference aside, Eric O'Flaherty holds a clear edge on every meaningful shared measure.