Adam Peterson vs. Bill Phebus — Career Comparison

On the career pitching numbers, Bill Phebus posted a stronger line than Adam Peterson. Bill Phebus posted stronger numbers in ERA (3.31 vs 5.46) and home runs allowed (0.66 per nine innings vs 1.39). By the career numbers, Bill Phebus had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.