Shang Johnson vs. Ryan Merritt — Career Comparison

On the career pitching numbers, Ryan Merritt posted a stronger line than Shang Johnson. Ryan Merritt posted stronger numbers in ERA (1.71 vs 4.18) and WHIP (1.137 vs 1.347). By the career numbers, Ryan Merritt 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.