Willie Cathey vs. Don Kaiser — Career Comparison

Looking at the career totals, Willie Cathey and Don Kaiser are fairly close on the surface numbers. Willie Cathey posted stronger numbers in WHIP (1.365 vs 1.458) and home runs allowed (0.49 per nine innings vs 0.79). Don Kaiser had the advantage in ERA (4.15 vs 5.17). By the career numbers, Willie Cathey 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.