Caleb Freeman vs. Bill Koski — Career Comparison

Looking at the career totals, Caleb Freeman and Bill Koski are fairly close on the surface numbers. Caleb Freeman posted stronger numbers in ERA (5.4 vs 6.67) and WHIP (1.800 vs 2.000). Bill Koski had the advantage in home runs allowed (0.67 per nine innings vs 2.7). By the career numbers, Caleb Freeman 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.