Carlos Estevez vs. Justin Shafer — Career Comparison

On the career pitching numbers, Carlos Estevez posted a stronger line than Justin Shafer. Carlos Estevez posted stronger numbers in ERA (3.97 vs 4.7) and WHIP (1.362 vs 1.770). By the career numbers, Carlos Estevez 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.