Bob File vs. Mike Sullivan — Career Comparison

Looking at the career totals, Bob File and Mike Sullivan are fairly close on the surface numbers. Bob File posted stronger numbers in ERA (4.2 vs 5.04) and WHIP (1.464 vs 1.674). Mike Sullivan had the advantage in home runs allowed (0.36 per nine innings vs 0.81). By the career numbers, Bob File 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.