Heliodoro Díaz vs. Butch Henry — Career Comparison

Looking at the career totals, Heliodoro Díaz and Butch Henry are fairly close on the surface numbers. Butch Henry posted stronger numbers in ERA (3.83 vs 4.35) and WHIP (1.354 vs 1.405). Heliodoro Díaz had the advantage in home runs allowed (0.41 per nine innings vs 0.88). By the career numbers, Butch Henry 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.