Glenn Spencer vs. Vern Underhill — Career Comparison

Looking at the career totals, Glenn Spencer and Vern Underhill are fairly close on the surface numbers. Glenn Spencer posted stronger numbers in ERA (4.53 vs 5.7) and WHIP (1.478 vs 2.092). Vern Underhill had the advantage in home runs allowed (0 per nine innings vs 0.62). By the career numbers, Glenn Spencer 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.