Blaine Boyer vs. Thomas Hatch — Career Comparison

On the career pitching numbers, Blaine Boyer posted a stronger line than Thomas Hatch. Blaine Boyer posted stronger numbers in ERA (4.55 vs 5.24) and WHIP (1.471 vs 1.621). By the career numbers, Blaine Boyer 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.