Chi-Chi Olivo vs. Mike Willis — Career Comparison

On the career pitching numbers, Chi-Chi Olivo posted a stronger line than Mike Willis. Chi-Chi Olivo posted stronger numbers in ERA (3.96 vs 4.59) and WHIP (1.362 vs 1.524). By the career numbers, Chi-Chi Olivo 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.