Tommy Greene vs. Hal Gregg — Career Comparison

Looking at the career totals, Tommy Greene and Hal Gregg are fairly close on the surface numbers. Tommy Greene posted stronger numbers in ERA (4.14 vs 4.54) and WHIP (1.342 vs 1.509). Hal Gregg had the advantage in home runs allowed (0.45 per nine innings vs 0.89). By the career numbers, Tommy Greene 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.