John Callahan vs. Jim Stoops — Career Comparison

On the career pitching numbers, Jim Stoops posted a stronger line than John Callahan. Jim Stoops posted stronger numbers in ERA (2.25 vs 16.2) and WHIP (2.000 vs 3.000). By the career numbers, Jim Stoops 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.