Don Cooper vs. Michael Schwimer — Career Comparison

On the career pitching numbers, Michael Schwimer posted a stronger line than Don Cooper. Michael Schwimer posted stronger numbers in ERA (4.62 vs 5.27) and WHIP (1.459 vs 1.723). By the career numbers, Michael Schwimer 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.