Slow Joe Doyle vs. Mark Leiter — Career Comparison

On the career pitching numbers, Slow Joe Doyle posted a stronger line than Mark Leiter. Slow Joe Doyle posted stronger numbers in ERA (2.85 vs 4.57) and WHIP (1.215 vs 1.412). By the career numbers, Slow Joe Doyle 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.