Mac MacArthur vs. Jeff Nelson — Career Comparison

Looking at the career totals, Mac MacArthur and Jeff Nelson are fairly close on the surface numbers. Jeff Nelson posted stronger numbers in ERA (3.41 vs 5.02) and WHIP (1.427 vs 1.500). Mac MacArthur had the advantage in home runs allowed (0.17 per nine innings vs 0.63). By the career numbers, Jeff Nelson 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.