Jim Peterson vs. Earl Stephenson — Career Comparison

On the career pitching numbers, Earl Stephenson posted a stronger line than Jim Peterson. Earl Stephenson posted stronger numbers in ERA (3.57 vs 5.27) and WHIP (1.518 vs 1.665). By the career numbers, Earl Stephenson 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.