Tommy Greene vs. Elmer Koestner — Career Comparison

Looking at the career totals, Tommy Greene and Elmer Koestner are fairly close on the surface numbers. Elmer Koestner posted stronger numbers in ERA (3.18 vs 4.14) and home runs allowed (0 per nine innings vs 0.89). Tommy Greene had the advantage in WHIP (1.342 vs 1.444). By the career numbers, Elmer Koestner 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.