John Gelnar vs. Zac Grotz — Career Comparison

On the career pitching numbers, John Gelnar posted a stronger line than Zac Grotz. John Gelnar posted stronger numbers in ERA (4.18 vs 7.3) and WHIP (1.381 vs 1.824). By the career numbers, John Gelnar 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.