Emmett O'Neill vs. John Williams — Career Comparison

Looking at the career totals, Emmett O'Neill and John Williams are fairly close on the surface numbers. John Williams posted stronger numbers in ERA (4.37 vs 4.76) and WHIP (1.436 vs 1.709). Emmett O'Neill had the advantage in home runs allowed (0.35 per nine innings vs 0.59). By the career numbers, John Williams 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.