Unknown Howard vs. Aaron Thompson — Career Comparison

Looking at the career totals, Unknown Howard and Aaron Thompson are fairly close on the surface numbers. Unknown Howard posted stronger numbers in ERA (2.45 vs 4.94) and home runs allowed (0 per nine innings vs 0.76). Aaron Thompson had the advantage in WHIP (1.585 vs 1.636). By the career numbers, Unknown Howard 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.