Roscoe Miller vs. Roy Thomas — Career Comparison

On the career pitching numbers, Roscoe Miller posted a stronger line than Roy Thomas. Roscoe Miller posted stronger numbers in ERA (3.45 vs 3.82) and WHIP (1.342 vs 1.455). By the career numbers, Roscoe Miller 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.