Frank Bates vs. Lloyd Dietz — Career Comparison

Looking at the career totals, Frank Bates and Lloyd Dietz are fairly close on the surface numbers. Lloyd Dietz posted stronger numbers in ERA (3.87 vs 6.33) and WHIP (1.410 vs 2.082). Frank Bates had the advantage in home runs allowed (0.28 per nine innings vs 0.55). By the career numbers, Lloyd Dietz 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.