John Callahan vs. Art Decatur — Career Comparison

On the career pitching numbers, Art Decatur posted a stronger line than John Callahan. Art Decatur posted stronger numbers in ERA (4.51 vs 16.2) and WHIP (1.482 vs 3.000). By the career numbers, Art Decatur 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.