Pascual Perez vs. Roy Witherup — Career Comparison

Looking at the career totals, Pascual Perez and Roy Witherup are fairly close on the surface numbers. Pascual Perez posted stronger numbers in ERA (3.44 vs 4.44) and WHIP (1.257 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 0.77). By the career numbers, Pascual Perez 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.