Alejandro Chacin vs. Robert Manuel — Career Comparison

On the career pitching numbers, Robert Manuel posted a stronger line than Alejandro Chacin. Robert Manuel posted stronger numbers in ERA (3.18 vs 10.5) and WHIP (1.412 vs 2.500). By the career numbers, Robert Manuel 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.