Frank Bates vs. Brendan Donnelly — Career Comparison

Looking at the career totals, Frank Bates and Brendan Donnelly are fairly close on the surface numbers. Brendan Donnelly posted stronger numbers in ERA (3.22 vs 6.33) and WHIP (1.277 vs 2.082). Frank Bates had the advantage in home runs allowed (0.28 per nine innings vs 0.82). By the career numbers, Brendan Donnelly 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.