Zach Thompson vs. Vern Underhill — Career Comparison

Looking at the career totals, Zach Thompson and Vern Underhill are fairly close on the surface numbers. Zach Thompson posted stronger numbers in ERA (4.36 vs 5.7) and WHIP (1.383 vs 2.092). Vern Underhill had the advantage in home runs allowed (0 per nine innings vs 1.12). By the career numbers, Zach 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.