Brennan Bernardino vs. Frank Hafner — Career Comparison

On the career pitching numbers, Brennan Bernardino posted a stronger line than Frank Hafner. Brennan Bernardino posted stronger numbers in ERA (3.47 vs 7) and WHIP (1.420 vs 2.222). By the career numbers, Brennan Bernardino 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.