Zach Jackson vs. Bob Locker — Career Comparison

Zach Jackson built a career as a starting pitcher and Bob Locker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bob Locker posted stronger surface numbers — ERA 2.75 and WHIP 1.266 compared to 5.81 and 1.566 for Zach Jackson. By the career numbers, Bob Locker had the better of this cross-role comparison — though era context would sharpen the verdict.