Aaron Barrett vs. Frank Keffer — Career Comparison

Looking at the career totals, Aaron Barrett and Frank Keffer are fairly close on the surface numbers. Aaron Barrett posted stronger numbers in ERA (4.01 vs 5.63) and WHIP (1.405 vs 1.500). Frank Keffer had the advantage in home runs allowed (0 per nine innings vs 0.36). By the career numbers, Aaron Barrett 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.