Ambiorix Burgos vs. Mike Sullivan — Career Comparison

Looking at the career totals, Ambiorix Burgos and Mike Sullivan are fairly close on the surface numbers. Ambiorix Burgos posted stronger numbers in ERA (4.6 vs 5.04) and WHIP (1.509 vs 1.674). Mike Sullivan had the advantage in home runs allowed (0.36 per nine innings vs 1.4). By the career numbers, Ambiorix Burgos 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.