Rudy Arias vs. Don Brennan — Career Comparison

Looking at the career totals, Rudy Arias and Don Brennan are fairly close on the surface numbers. Don Brennan posted stronger numbers in WHIP (1.552 vs 1.727) and home runs allowed (0.32 per nine innings vs 1.43). Rudy Arias had the advantage in ERA (4.09 vs 4.19). By the career numbers, Don Brennan 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.