Stephen Kolek vs. Al Schroll — Career Comparison

On the career pitching numbers, Stephen Kolek posted a stronger line than Al Schroll. Stephen Kolek posted stronger numbers in ERA (4.01 vs 5.34) and WHIP (1.262 vs 1.585). By the career numbers, Stephen Kolek 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.