John Allen vs. Ryan Thompson — Career Comparison

Looking at the career totals, John Allen and Ryan Thompson are fairly close on the surface numbers. Ryan Thompson posted stronger numbers in ERA (3.54 vs 18) and WHIP (1.210 vs 2.000). John Allen had the advantage in home runs allowed (0 per nine innings vs 0.86). By the career numbers, Ryan 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.