Adam Peterson vs. Bob Sebra — Career Comparison

On the career pitching numbers, Bob Sebra posted a stronger line than Adam Peterson. Bob Sebra posted stronger numbers in ERA (4.71 vs 5.46) and home runs allowed (0.91 per nine innings vs 1.39). By the career numbers, Bob Sebra 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.