Nate Cornejo vs. Carlos Diaz — Career Comparison

Nate Cornejo built a career as a starting pitcher and Carlos Diaz as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Carlos Diaz posted stronger surface numbers — ERA 3.21 and WHIP 1.453 compared to 5.41 and 1.700 for Nate Cornejo. By the career numbers, Carlos Diaz had the better of this cross-role comparison — though era context would sharpen the verdict.