Nestor Chavez vs. Fred Hahn — Career Comparison

Looking at the career totals, Nestor Chavez and Fred Hahn are fairly close on the surface numbers. Fred Hahn had the edge in WHIP (1.500 vs 1.600). 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.