Don Brennan vs. Ronny Miller — Career Comparison

Looking at the career totals, Don Brennan and Ronny Miller are fairly close on the surface numbers. Ronny Miller posted stronger numbers in WHIP (1.500 vs 1.552) and home runs allowed (0 per nine innings vs 0.32). Don Brennan had the advantage in ERA (4.19 vs 4.5). By the career numbers, Ronny Miller 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.