Thomas Hatch vs. Frank Williams — Career Comparison

On the career pitching numbers, Frank Williams posted a stronger line than Thomas Hatch. Frank Williams posted stronger numbers in ERA (3 vs 5.24) and WHIP (1.452 vs 1.621). By the career numbers, Frank Williams 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.