Zach Jackson vs. Unknown McDoolan — Career Comparison

Zach Jackson built a career as a starting pitcher and Unknown McDoolan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Unknown McDoolan posted stronger surface numbers — ERA 3 and WHIP 2.000 compared to 5.81 and 1.566 for Zach Jackson. By the career numbers, Unknown McDoolan had the better of this cross-role comparison — though era context would sharpen the verdict.