Henry Mathewson vs. Jeff Pfeffer — Career Comparison

Looking at the career totals, Henry Mathewson and Jeff Pfeffer are fairly close on the surface numbers. Jeff Pfeffer posted stronger numbers in ERA (2.77 vs 4.91) and WHIP (1.210 vs 2.000). Henry Mathewson had the advantage in home runs allowed (0 per nine innings vs 0.25). By the career numbers, Jeff Pfeffer 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.