Keyvius Sampson vs. Michael Wacha — Career Comparison

On the career pitching numbers, Michael Wacha posted a stronger line than Keyvius Sampson. Michael Wacha posted stronger numbers in ERA (3.89 vs 5.6) and WHIP (1.286 vs 1.767). By the career numbers, Michael Wacha 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.