Dave Gregg vs. Al Mahon — Career Comparison

On the career pitching numbers, Dave Gregg posted a stronger line than Al Mahon. Dave Gregg posted stronger numbers in ERA (18 vs 22.85) and WHIP (2.000 vs 4.154). By the career numbers, Dave Gregg 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.