Speed Martin vs. Ariel Prieto — Career Comparison

On the career pitching numbers, Speed Martin posted a stronger line than Ariel Prieto. Speed Martin posted stronger numbers in ERA (3.78 vs 4.85) and WHIP (1.411 vs 1.675). By the career numbers, Speed Martin 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.