Josh Butler vs. Unknown Cunningham — Career Comparison

On the career pitching numbers, Unknown Cunningham posted a stronger line than Josh Butler. Unknown Cunningham posted stronger numbers in ERA (3.6 vs 9) and WHIP (0.600 vs 3.250). By the career numbers, Unknown Cunningham 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.