Bob Allen vs. Pierson Ohl — Career Comparison

Looking at the career totals, Bob Allen and Pierson Ohl are fairly close on the surface numbers. Bob Allen posted stronger numbers in ERA (4.11 vs 5.1) and home runs allowed (0.76 per nine innings vs 1.5). Pierson Ohl had the advantage in WHIP (1.500 vs 1.631). By the career numbers, Bob Allen 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.