Jim Hayes vs. Nick Robertson — Career Comparison

Jim Hayes built a career as a starting pitcher and Nick Robertson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Nick Robertson posted stronger surface numbers — ERA 5.3 and WHIP 1.626 compared to 8.36 and 2.179 for Jim Hayes. By the career numbers, Nick Robertson had the better of this cross-role comparison — though era context would sharpen the verdict.