Carlos Guevara vs. Derek Wallace — Career Comparison

On the career pitching numbers, Derek Wallace posted a stronger line than Carlos Guevara. Derek Wallace posted stronger numbers in ERA (3.82 vs 5.84) and WHIP (1.727 vs 1.946). By the career numbers, Derek Wallace 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.