Zach Jackson vs. Roman Mendez — Career Comparison

Zach Jackson built a career as a starting pitcher and Roman Mendez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Roman Mendez posted stronger surface numbers — ERA 3.09 and WHIP 1.329 compared to 5.81 and 1.566 for Zach Jackson. By the career numbers, Roman Mendez had the better of this cross-role comparison — though era context would sharpen the verdict.