Frank Donnelly vs. Amos Willingham — Career Comparison

On the career pitching numbers, Frank Donnelly posted a stronger line than Amos Willingham. Frank Donnelly posted stronger numbers in ERA (6.36 vs 7.11) and WHIP (1.757 vs 1.895). By the career numbers, Frank Donnelly 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.