Justin Martinez vs. Kirk McCaskill — Career Comparison

Kirk McCaskill built a career as a starting pitcher and Justin Martinez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Justin Martinez posted stronger surface numbers — ERA 3.77 and WHIP 1.490 compared to 4.12 and 1.416 for Kirk McCaskill. By the career numbers, Justin Martinez had the better of this cross-role comparison — though era context would sharpen the verdict.