Charlie Shields vs. Oscar Zamora — Career Comparison

Looking at the career totals, Charlie Shields and Oscar Zamora are fairly close on the surface numbers. Charlie Shields posted stronger numbers in ERA (4.27 vs 4.53) and home runs allowed (0.4 per nine innings vs 1.32). Oscar Zamora had the advantage in WHIP (1.491 vs 1.654). By the career numbers, Charlie Shields 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.