Horacio Estrada vs. Charlie Root — Career Comparison

On the career pitching numbers, Charlie Root posted a stronger line than Horacio Estrada. Charlie Root posted stronger numbers in ERA (3.59 vs 7.5) and WHIP (1.295 vs 2.139). By the career numbers, Charlie Root 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.