James Cooper vs. Art Demery — Career Comparison

Looking at the career totals, James Cooper and Art Demery are fairly close on the surface numbers. Art Demery posted stronger numbers in ERA (0 vs 9) and home runs allowed (0 per nine innings vs 1.13). James Cooper had the advantage in WHIP (2.167 vs 4.500). By the career numbers, Art Demery 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.