Kris Foster vs. Bill Popp — Career Comparison

Looking at the career totals, Kris Foster and Bill Popp are fairly close on the surface numbers. Kris Foster posted stronger numbers in ERA (2.7 vs 4.92) and WHIP (1.700 vs 1.873). Bill Popp had the advantage in home runs allowed (0.3 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.