Zach Jackson vs. Terry Ley — Career Comparison

Zach Jackson built a career as a starting pitcher and Terry Ley as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Terry Ley posted stronger surface numbers — ERA 5 and WHIP 2.222 compared to 5.81 and 1.566 for Zach Jackson. By the career numbers, Terry Ley had the better of this cross-role comparison — though era context would sharpen the verdict.