John Callahan vs. Daniel McCutchen — Career Comparison

On the career pitching numbers, Daniel McCutchen posted a stronger line than John Callahan. Daniel McCutchen posted stronger numbers in ERA (4.81 vs 16.2) and WHIP (1.545 vs 3.000). By the career numbers, Daniel McCutchen 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.