Zach Jackson vs. Pat McCoy — Career Comparison

Zach Jackson built a career as a starting pitcher and Pat McCoy as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Pat McCoy posted stronger surface numbers — ERA 3.86 and WHIP 2.643 compared to 5.81 and 1.566 for Zach Jackson. By the career numbers, Pat McCoy had the better of this cross-role comparison — though era context would sharpen the verdict.