David Manning vs. Al Piechota — Career Comparison

On the career pitching numbers, Al Piechota posted a stronger line than David Manning. Al Piechota posted stronger numbers in ERA (5.66 vs 16.2) and WHIP (1.774 vs 2.850). By the career numbers, Al Piechota 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.