Bill Atkinson vs. Frank Mata — Career Comparison

On the career pitching numbers, Bill Atkinson posted a stronger line than Frank Mata. Bill Atkinson posted stronger numbers in ERA (3.42 vs 7.79) and WHIP (1.412 vs 2.019). By the career numbers, Bill Atkinson 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.