Jim Abbott vs. Eddie Jefferson — Career Comparison

On the career pitching numbers, Eddie Jefferson posted a stronger line than Jim Abbott. Eddie Jefferson posted stronger numbers in ERA (5.72 vs 20.25) and WHIP (1.694 vs 3.750). By the career numbers, Eddie Jefferson 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.