Gerald Alexander vs. Otto Rettig — Career Comparison

On the career pitching numbers, Otto Rettig posted a stronger line than Gerald Alexander. Otto Rettig posted stronger numbers in ERA (4.91 vs 5.79) and WHIP (1.636 vs 1.765). By the career numbers, Otto Rettig 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.