John Martin vs. Frank Miller — Career Comparison

On the career pitching numbers, Frank Miller posted a stronger line than John Martin. Frank Miller posted stronger numbers in ERA (3.01 vs 3.94) and WHIP (1.186 vs 1.237). By the career numbers, Frank 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.