Rick Anderson vs. Otto Rettig — Career Comparison

Looking at the career totals, Rick Anderson and Otto Rettig are fairly close on the surface numbers. Rick Anderson posted stronger numbers in ERA (4.75 vs 4.91) and WHIP (1.521 vs 1.636). Otto Rettig had the advantage in home runs allowed (0 per nine innings vs 0.84). By the career numbers, Rick Anderson 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.