Horacio Estrada vs. Bill Harris — Career Comparison

On the career pitching numbers, Bill Harris posted a stronger line than Horacio Estrada. Bill Harris posted stronger numbers in ERA (3.12 vs 7.5) and WHIP (1.615 vs 2.139). By the career numbers, Bill Harris 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.