Fred Hahn vs. Cesar Jimenez — Career Comparison

Looking at the career totals, Fred Hahn and Cesar Jimenez are fairly close on the surface numbers. Fred Hahn posted stronger numbers in ERA (0 vs 4.05) and home runs allowed (0 per nine innings vs 0.86). Cesar Jimenez had the advantage in WHIP (1.351 vs 1.500). By the career numbers, Fred Hahn 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.