Bill Irwin vs. Amos Willingham — Career Comparison

On the career pitching numbers, Bill Irwin posted a stronger line than Amos Willingham. Bill Irwin posted stronger numbers in ERA (5.82 vs 7.11) and WHIP (1.529 vs 1.895). By the career numbers, Bill Irwin 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.