Brian Flynn vs. Slim McGrew — Career Comparison

Looking at the career totals, Brian Flynn and Slim McGrew are fairly close on the surface numbers. Brian Flynn posted stronger numbers in ERA (4.41 vs 6.6) and WHIP (1.604 vs 1.900). Slim McGrew had the advantage in home runs allowed (0.3 per nine innings vs 0.77). By the career numbers, Brian Flynn 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.