Ed Mars vs. William Matthews — Career Comparison

Looking at the career totals, Ed Mars and William Matthews are fairly close on the surface numbers. Ed Mars posted stronger numbers in WHIP (1.492 vs 1.560) and home runs allowed (0.15 per nine innings vs 0.54). William Matthews had the advantage in ERA (3.24 vs 4.67). By the career numbers, Ed Mars 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.