Jim Abbott vs. Paul Penson — Career Comparison

Looking at the career totals, Jim Abbott and Paul Penson are fairly close on the surface numbers. Jim Abbott posted stronger numbers in ERA (4.25 vs 4.5) and WHIP (1.451 vs 1.750). Paul Penson had the advantage in home runs allowed (0.56 per nine innings vs 0.83). By the career numbers, Jim Abbott 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.