Bill Freeman vs. Cionel Perez — Career Comparison

Looking at the career totals, Bill Freeman and Cionel Perez are fairly close on the surface numbers. Cionel Perez posted stronger numbers in ERA (4.22 vs 14.54) and WHIP (1.511 vs 2.538). Bill Freeman had the advantage in home runs allowed (0 per nine innings vs 0.68). By the career numbers, Cionel 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.