Al Grabowski vs. John Leister — Career Comparison

On the career pitching numbers, Al Grabowski posted a stronger line than John Leister. Al Grabowski posted stronger numbers in ERA (4.07 vs 8.5) and WHIP (1.420 vs 2.028). By the career numbers, Al Grabowski 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.