Cal Cooper vs. Masahide Kobayashi — Career Comparison

On the career pitching numbers, Masahide Kobayashi posted a stronger line than Cal Cooper. Masahide Kobayashi posted stronger numbers in ERA (5.1 vs 45) and WHIP (1.485 vs 6.000). By the career numbers, Masahide Kobayashi 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.