Madison Bumgarner vs. Hal Gregg — Career Comparison

Looking at the career totals, Madison Bumgarner and Hal Gregg are fairly close on the surface numbers. Madison Bumgarner posted stronger numbers in ERA (3.47 vs 4.54) and WHIP (1.172 vs 1.509). Hal Gregg had the advantage in home runs allowed (0.45 per nine innings vs 1.05). By the career numbers, Madison Bumgarner 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.