Mac MacArthur vs. Cliff Speck — Career Comparison

Looking at the career totals, Mac MacArthur and Cliff Speck are fairly close on the surface numbers. Cliff Speck posted stronger numbers in ERA (4.13 vs 5.02) and WHIP (1.412 vs 1.500). Mac MacArthur had the advantage in home runs allowed (0.17 per nine innings vs 0.64). By the career numbers, Cliff Speck 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.