John Halama vs. Yusmeiro Petit — Career Comparison

John Halama built a career as a starting pitcher and Yusmeiro Petit as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Halama led in home run suppression (HR9+ 97 vs 59), skill-based run prevention (DICE+ 96 vs 82), and run prevention (ERA+ 105 vs 92). Yusmeiro Petit held the edge in walk avoidance (BB%+ 165 vs 129). Keeping the role difference in mind, the edge still goes to John Halama.