Henry Mathewson vs. Bill Posedel — Career Comparison

Looking at the career totals, Henry Mathewson and Bill Posedel are fairly close on the surface numbers. Bill Posedel posted stronger numbers in ERA (4.56 vs 4.91) and WHIP (1.479 vs 2.000). Henry Mathewson had the advantage in home runs allowed (0 per nine innings vs 0.64). By the career numbers, Bill Posedel 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.