Lou Mahaffey vs. Dale Matthewson — Career Comparison

Looking at the career totals, Lou Mahaffey and Dale Matthewson are fairly close on the surface numbers. Lou Mahaffey posted stronger numbers in ERA (3 vs 4.34) and home runs allowed (0 per nine innings vs 0.31). Dale Matthewson had the advantage in WHIP (1.328 vs 1.667). By the career numbers, Lou Mahaffey 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.