Bob Kaiser vs. Michael Kohn — Career Comparison

On the career pitching numbers, Michael Kohn posted a stronger line than Bob Kaiser. Michael Kohn posted stronger numbers in ERA (3.52 vs 4.5) and WHIP (1.461 vs 1.833). By the career numbers, Michael Kohn 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.