Nestor Cortes vs. Bob Kelly — Career Comparison

Looking at the career totals, Nestor Cortes and Bob Kelly are fairly close on the surface numbers. Nestor Cortes posted stronger numbers in ERA (3.94 vs 4.5) and WHIP (1.192 vs 1.456). Bob Kelly had the advantage in home runs allowed (0.7 per nine innings vs 1.52). By the career numbers, Nestor Cortes 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.