Billy Norman vs. Otto Rettig — Career Comparison

Looking at the career totals, Billy Norman and Otto Rettig are fairly close on the surface numbers. Billy Norman posted stronger numbers in ERA (3.4 vs 4.91) and WHIP (1.248 vs 1.636). Otto Rettig had the advantage in home runs allowed (0 per nine innings vs 0.23). By the career numbers, Billy Norman 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.