A. Jones vs. Martin Perez — Career Comparison

Martin Perez built a career as a starting pitcher and A. Jones as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. A. Jones posted stronger surface numbers — ERA 2 and WHIP 1.222 compared to 4.41 and 1.441 for Martin Perez. By the career numbers, A. Jones had the better of this cross-role comparison — though era context would sharpen the verdict.