John McCarty vs. Roger Slagle — Career Comparison

On the career pitching numbers, Roger Slagle posted a stronger line than John McCarty. Roger Slagle posted stronger numbers in ERA (0 vs 3.91) and WHIP (0.000 vs 1.738). By the career numbers, Roger Slagle 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.