Lefty Bell vs. John Perkovich — Career Comparison

On the career pitching numbers, Lefty Bell posted a stronger line than John Perkovich. Lefty Bell posted stronger numbers in ERA (4.32 vs 7.2) and WHIP (1.440 vs 1.600). By the career numbers, Lefty Bell 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.