Bob Mahoney vs. Zac Rosscup — Career Comparison

On the career pitching numbers, Bob Mahoney posted a stronger line than Zac Rosscup. Bob Mahoney posted stronger numbers in ERA (4.96 vs 5.09) and home runs allowed (0.79 per nine innings vs 1.66). By the career numbers, Bob Mahoney 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.