Slim Harrell vs. Slim McGrew — Career Comparison

On the career pitching numbers, Slim Harrell posted a stronger line than Slim McGrew. Slim Harrell posted stronger numbers in ERA (0 vs 6.6) and WHIP (1.333 vs 1.900). By the career numbers, Slim Harrell 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.