Cap Crowell vs. Mickey Haefner — Career Comparison

Looking at the career totals, Cap Crowell and Mickey Haefner are fairly close on the surface numbers. Mickey Haefner posted stronger numbers in ERA (3.5 vs 5.27) and WHIP (1.358 vs 1.915). Cap Crowell had the advantage in home runs allowed (0.1 per nine innings vs 0.47). By the career numbers, Mickey Haefner 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.