Oliver Ortega vs. Mike Willis — Career Comparison

On the career pitching numbers, Oliver Ortega posted a stronger line than Mike Willis. Oliver Ortega posted stronger numbers in ERA (4.03 vs 4.59) and WHIP (1.414 vs 1.524). By the career numbers, Oliver Ortega 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.