Mike Heathcott vs. Slim McGrew — Career Comparison

On the career pitching numbers, Mike Heathcott posted a stronger line than Slim McGrew. Mike Heathcott posted stronger numbers in ERA (3 vs 6.6) and WHIP (1.000 vs 1.900). By the career numbers, Mike Heathcott 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.