Lisalverto Bonilla vs. Sy Hayman — Career Comparison

On the career pitching numbers, Sy Hayman posted a stronger line than Lisalverto Bonilla. Sy Hayman posted stronger numbers in ERA (2.69 vs 6.28) and WHIP (1.190 vs 1.570). By the career numbers, Sy Hayman 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.