Adam Butler vs. Braden Looper — Career Comparison

On the career pitching numbers, Braden Looper posted a stronger line than Adam Butler. Braden Looper posted stronger numbers in ERA (4.15 vs 10.8) and WHIP (1.406 vs 2.400). By the career numbers, Braden Looper 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.