Zach Jackson vs. Michael Wuertz — Career Comparison

Zach Jackson built a career as a starting pitcher and Michael Wuertz as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Michael Wuertz posted stronger surface numbers — ERA 3.71 and WHIP 1.388 compared to 5.81 and 1.566 for Zach Jackson. By the career numbers, Michael Wuertz had the better of this cross-role comparison — though era context would sharpen the verdict.