Johnny Allen vs. Otto Rettig — Career Comparison

Looking at the career totals, Johnny Allen and Otto Rettig are fairly close on the surface numbers. Johnny Allen posted stronger numbers in ERA (3.75 vs 4.91) and WHIP (1.326 vs 1.636). Otto Rettig had the advantage in home runs allowed (0 per nine innings vs 0.48). By the career numbers, Johnny Allen 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.