Pedro Villarreal vs. Amos Willingham — Career Comparison

On the career pitching numbers, Pedro Villarreal posted a stronger line than Amos Willingham. Pedro Villarreal posted stronger numbers in ERA (4.29 vs 7.11) and WHIP (1.486 vs 1.895). By the career numbers, Pedro Villarreal 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.