Francisco de la Rosa vs. Slim McGrew — Career Comparison

Looking at the career totals, Francisco de la Rosa and Slim McGrew are fairly close on the surface numbers. Francisco de la Rosa posted stronger numbers in ERA (4.5 vs 6.6) and home runs allowed (0 per nine innings vs 0.3). Slim McGrew had the advantage in WHIP (1.900 vs 2.000). By the career numbers, Francisco de la Rosa 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.