Lefty Clarke vs. John Mitchell — Career Comparison

Looking at the career totals, Lefty Clarke and John Mitchell are fairly close on the surface numbers. John Mitchell posted stronger numbers in ERA (4.35 vs 5.4) and WHIP (1.550 vs 1.800). Lefty Clarke had the advantage in home runs allowed (0 per nine innings vs 0.53). By the career numbers, John Mitchell 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.