Bob Kelly vs. Jesus Peña — Career Comparison

Bob Kelly built a career as a starting pitcher and Jesus Peña as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bob Kelly posted stronger surface numbers — ERA 4.5 and WHIP 1.456 compared to 5.21 and 2.057 for Jesus Peña. By the career numbers, Bob Kelly had the better of this cross-role comparison — though era context would sharpen the verdict.