Zach Jackson vs. Al Mays — Career Comparison

Zach Jackson built a career as a starting pitcher and Al Mays as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Al Mays posted stronger surface numbers — ERA 3.91 and WHIP 1.404 compared to 5.81 and 1.566 for Zach Jackson. By the career numbers, Al Mays had the better of this cross-role comparison — though era context would sharpen the verdict.