Mark Melancon vs. Jim Peterson — Career Comparison

On the career pitching numbers, Mark Melancon posted a stronger line than Jim Peterson. Mark Melancon posted stronger numbers in ERA (2.94 vs 5.27) and WHIP (1.200 vs 1.665). By the career numbers, Mark Melancon 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.