Lefty Wilson vs. Roy Witherup — Career Comparison

On the career pitching numbers, Lefty Wilson posted a stronger line than Roy Witherup. Lefty Wilson posted stronger numbers in ERA (3.39 vs 4.44) and WHIP (1.241 vs 1.454). By the career numbers, Lefty Wilson 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.