Orville Armbrust vs. Ernie Koob — Career Comparison

Looking at the career totals, Orville Armbrust and Ernie Koob are fairly close on the surface numbers. Orville Armbrust posted stronger numbers in ERA (2.13 vs 3.13) and WHIP (1.026 vs 1.348). Ernie Koob had the advantage in home runs allowed (0.13 per nine innings vs 0.71). By the career numbers, Orville Armbrust 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.