Ivan Nova vs. Otto Rettig — Career Comparison

Looking at the career totals, Ivan Nova and Otto Rettig are fairly close on the surface numbers. Ivan Nova posted stronger numbers in ERA (4.38 vs 4.91) and WHIP (1.373 vs 1.636). Otto Rettig had the advantage in home runs allowed (0 per nine innings vs 1.24). By the career numbers, Ivan Nova 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.