Glenn Otto vs. Otto Rettig — Career Comparison

Looking at the career totals, Glenn Otto and Otto Rettig are fairly close on the surface numbers. Otto Rettig posted stronger numbers in ERA (4.91 vs 5.62) and home runs allowed (0 per nine innings vs 1.54). Glenn Otto had the advantage in WHIP (1.420 vs 1.636). By the career numbers, Otto Rettig 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.