Francisco Perez vs. Dave Smith — Career Comparison

On the career pitching numbers, Dave Smith posted a stronger line than Francisco Perez. Dave Smith posted stronger numbers in ERA (2.67 vs 5.91) and WHIP (1.294 vs 1.781). By the career numbers, Dave 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.