Thomas Hatch vs. Hoyt Wilhelm — Career Comparison

On the career pitching numbers, Hoyt Wilhelm posted a stronger line than Thomas Hatch. Hoyt Wilhelm posted stronger numbers in ERA (2.52 vs 5.24) and WHIP (1.152 vs 1.621). By the career numbers, Hoyt Wilhelm 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.