Don Liddle vs. Otto Rettig — Career Comparison

Looking at the career totals, Don Liddle and Otto Rettig are fairly close on the surface numbers. Don Liddle posted stronger numbers in ERA (3.75 vs 4.91) and WHIP (1.438 vs 1.636). Otto Rettig had the advantage in home runs allowed (0 per nine innings vs 0.88). By the career numbers, Don Liddle 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.