Zach Jackson vs. Chad Qualls — Career Comparison

Zach Jackson built a career as a starting pitcher and Chad Qualls as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Chad Qualls posted stronger surface numbers — ERA 3.89 and WHIP 1.328 compared to 5.81 and 1.566 for Zach Jackson. By the career numbers, Chad Qualls had the better of this cross-role comparison — though era context would sharpen the verdict.