Arturo Lopez vs. Mark Smith — Career Comparison

On the career pitching numbers, Mark Smith posted a stronger line than Arturo Lopez. Mark Smith posted stronger numbers in ERA (6.75 vs 19.29) and WHIP (2.114 vs 4.286). By the career numbers, Mark Smith 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.