Adam Butler vs. Roy Smith — Career Comparison

On the career pitching numbers, Roy Smith posted a stronger line than Adam Butler. Roy Smith posted stronger numbers in ERA (5.24 vs 10.8) and WHIP (1.970 vs 2.400). By the career numbers, Roy Smith 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.