Ron Blackburn vs. Slim McGrew — Career Comparison

Looking at the career totals, Ron Blackburn and Slim McGrew are fairly close on the surface numbers. Ron Blackburn posted stronger numbers in ERA (3.5 vs 6.6) and WHIP (1.500 vs 1.900). Slim McGrew had the advantage in home runs allowed (0.3 per nine innings vs 1). By the career numbers, Ron Blackburn 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.