Red Bird vs. John Perkovich — Career Comparison

On the career pitching numbers, Red Bird posted a stronger line than John Perkovich. Red Bird posted stronger numbers in ERA (5.4 vs 7.2) and WHIP (1.200 vs 1.600). By the career numbers, Red Bird 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.