Steve Dreyer vs. Don Robinson — Career Comparison

On the career pitching numbers, Don Robinson posted a stronger line than Steve Dreyer. Don Robinson posted stronger numbers in ERA (3.79 vs 5.71) and WHIP (1.341 vs 1.646). By the career numbers, Don Robinson 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.