John Allen vs. Kris Foster — Career Comparison

Looking at the career totals, John Allen and Kris Foster are fairly close on the surface numbers. Kris Foster posted stronger numbers in ERA (2.7 vs 18) and WHIP (1.700 vs 2.000). John Allen had the advantage in home runs allowed (0 per nine innings vs 0.9). 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.