Fred Hayner vs. Bob Trowbridge — Career Comparison

On the career pitching numbers, Bob Trowbridge posted a stronger line than Fred Hayner. Bob Trowbridge posted stronger numbers in ERA (3.95 vs 13.5) and WHIP (1.498 vs 3.000). By the career numbers, Bob Trowbridge 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.