Don Black vs. Mike Walker — Career Comparison

On the career pitching numbers, Don Black posted a stronger line than Mike Walker. Don Black posted stronger numbers in ERA (4.35 vs 7.36) and WHIP (1.509 vs 2.250). By the career numbers, Don Black 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.