John Callahan vs. Nick Carter — Career Comparison

Nick Carter built a career as a starting pitcher and John Callahan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Nick Carter posted stronger surface numbers — ERA 2.97 and WHIP 1.236 compared to 16.2 and 3.000 for John Callahan. By the career numbers, Nick Carter had the better of this cross-role comparison — though era context would sharpen the verdict.