Jack Russell vs. Vern Underhill — Career Comparison

Looking at the career totals, Jack Russell and Vern Underhill are fairly close on the surface numbers. Jack Russell posted stronger numbers in ERA (4.46 vs 5.7) and WHIP (1.475 vs 2.092). Vern Underhill had the advantage in home runs allowed (0 per nine innings vs 0.36). By the career numbers, Jack Russell 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.