Bill Bell vs. Bob Kaiser — Career Comparison

On the career pitching numbers, Bill Bell posted a stronger line than Bob Kaiser. Bill Bell posted stronger numbers in ERA (4.32 vs 4.5) and home runs allowed (1.62 per nine innings vs 3). By the career numbers, Bill 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.