Zac Gallen vs. Charley Hall — Career Comparison

Looking at the career totals, Zac Gallen and Charley Hall are fairly close on the surface numbers. Charley Hall posted stronger numbers in ERA (3.09 vs 3.58) and home runs allowed (0.16 per nine innings vs 1.05). Zac Gallen had the advantage in WHIP (1.161 vs 1.332). By the career numbers, Charley Hall 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.