Jack Coombs vs. George O'Donnell — Career Comparison

On the career pitching numbers, Jack Coombs posted a stronger line than George O'Donnell. Jack Coombs posted stronger numbers in ERA (2.78 vs 4.53) and WHIP (1.239 vs 1.443). By the career numbers, Jack Coombs 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.