Unknown Allen vs. Mike Thompson — Career Comparison

Looking at the career totals, Unknown Allen and Mike Thompson are fairly close on the surface numbers. Mike Thompson posted stronger numbers in ERA (5.27 vs 40.5) and WHIP (1.533 vs 7.500). Unknown Allen had the advantage in home runs allowed (0 per nine innings vs 1.25). By the career numbers, Mike 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.