Alfredo Aceves vs. Kris Foster — Career Comparison

Looking at the career totals, Alfredo Aceves and Kris Foster are fairly close on the surface numbers. Kris Foster posted stronger numbers in ERA (2.7 vs 3.83) and home runs allowed (0.9 per nine innings vs 1.14). Alfredo Aceves had the advantage in WHIP (1.230 vs 1.700). By the career numbers, Kris Foster 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.