Frank Hafner vs. Bob Hogan — Career Comparison

On the career pitching numbers, Bob Hogan posted a stronger line than Frank Hafner. Bob Hogan posted stronger numbers in ERA (1.13 vs 7) and WHIP (1.250 vs 2.222). By the career numbers, Bob Hogan 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.