Mac MacArthur vs. Keegan Thompson — Career Comparison

Looking at the career totals, Mac MacArthur and Keegan Thompson are fairly close on the surface numbers. Keegan Thompson posted stronger numbers in ERA (3.64 vs 5.02) and WHIP (1.328 vs 1.500). Mac MacArthur had the advantage in home runs allowed (0.17 per nine innings vs 1.19). By the career numbers, Keegan Thompson 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.