Bob James vs. Mac MacArthur — Career Comparison

Looking at the career totals, Bob James and Mac MacArthur are fairly close on the surface numbers. Bob James posted stronger numbers in ERA (3.8 vs 5.02) and WHIP (1.371 vs 1.500). Mac MacArthur had the advantage in home runs allowed (0.17 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.