Alejandro Chacin vs. Aaron Looper — Career Comparison

On the career pitching numbers, Aaron Looper posted a stronger line than Alejandro Chacin. Aaron Looper posted stronger numbers in ERA (5.14 vs 10.5) and WHIP (1.286 vs 2.500). By the career numbers, Aaron 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.