George Mack vs. Marsh Williams — Career Comparison

Looking at the career totals, George Mack and Marsh Williams are fairly close on the surface numbers. George Mack posted stronger numbers in ERA (7.19 vs 7.89) and WHIP (1.890 vs 1.987). Marsh Williams had the advantage in home runs allowed (0.7 per nine innings vs 1.05). By the career numbers, George Mack 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.