Hubert Glenn vs. John Leister — Career Comparison

On the career pitching numbers, Hubert Glenn posted a stronger line than John Leister. Hubert Glenn posted stronger numbers in ERA (3.65 vs 8.5) and WHIP (1.297 vs 2.028). By the career numbers, Hubert Glenn 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.