John Thomson vs. Vern Underhill — Career Comparison

Looking at the career totals, John Thomson and Vern Underhill are fairly close on the surface numbers. John Thomson posted stronger numbers in ERA (4.68 vs 5.7) and WHIP (1.411 vs 2.092). Vern Underhill had the advantage in home runs allowed (0 per nine innings vs 1.09). By the career numbers, John Thomson 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.