Paul Siebert vs. Amos Willingham — Career Comparison

On the career pitching numbers, Paul Siebert posted a stronger line than Amos Willingham. Paul Siebert posted stronger numbers in ERA (3.77 vs 7.11) and WHIP (1.713 vs 1.895). By the career numbers, Paul Siebert 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.