John Hollison vs. Slim McGrew — Career Comparison

Looking at the career totals, John Hollison and Slim McGrew are fairly close on the surface numbers. John Hollison posted stronger numbers in ERA (2.25 vs 6.6) and WHIP (0.250 vs 1.900). Slim McGrew had the advantage in home runs allowed (0.3 per nine innings vs 2.25). By the career numbers, John Hollison 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.