Frank Arellanes vs. Christy Mathewson — Career Comparison

Looking at the career totals, Frank Arellanes and Christy Mathewson are fairly close on the surface numbers. Christy Mathewson had the edge in ERA (2.13 vs 2.28). By the career numbers, Christy Mathewson 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.