Lisalverto Bonilla vs. Fred Hayner — Career Comparison

Lisalverto Bonilla built a career as a starting pitcher and Fred Hayner as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Lisalverto Bonilla posted stronger surface numbers — ERA 6.28 and WHIP 1.570 compared to 13.5 and 3.000 for Fred Hayner. By the career numbers, Lisalverto Bonilla had the better of this cross-role comparison — though era context would sharpen the verdict.