Bill Freeman vs. George Perez — Career Comparison

Looking at the career totals, Bill Freeman and George Perez are fairly close on the surface numbers. George Perez posted stronger numbers in ERA (5.4 vs 14.54) and WHIP (1.560 vs 2.538). Bill Freeman had the advantage in home runs allowed (0 per nine innings vs 1.08). By the career numbers, George 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.