Lisalverto Bonilla vs. Walt Kellner — Career Comparison

Lisalverto Bonilla built a career as a starting pitcher and Walt Kellner 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 6.43 and 1.714 for Walt Kellner. By the career numbers, Lisalverto Bonilla had the better of this cross-role comparison — though era context would sharpen the verdict.