Percy Coleman vs. Bob James — Career Comparison

Looking at the career totals, Percy Coleman and Bob James are fairly close on the surface numbers. Bob James posted stronger numbers in ERA (3.8 vs 6.69) and WHIP (1.371 vs 2.084). Percy Coleman had the advantage in home runs allowed (0 per nine innings vs 0.86). By the career numbers, Bob James 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.