Bill Bell vs. Mark Petkovsek — Career Comparison

Looking at the career totals, Bill Bell and Mark Petkovsek are fairly close on the surface numbers. Mark Petkovsek posted stronger numbers in WHIP (1.472 vs 1.800) and home runs allowed (1.04 per nine innings vs 1.62). Bill Bell had the advantage in ERA (4.32 vs 4.74). By the career numbers, Mark Petkovsek 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.