Mike Balas vs. J. D. Hammer — Career Comparison

Looking at the career totals, Mike Balas and J. D. Hammer are fairly close on the surface numbers. J. D. Hammer posted stronger numbers in ERA (4.38 vs 6.75) and WHIP (1.538 vs 2.250). Mike Balas had the advantage in home runs allowed (0 per nine innings vs 1.15). By the career numbers, J. D. Hammer 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.