Fred Heimach vs. Zach Jackson — Career Comparison

Fred Heimach built a career as a starting pitcher and Zach Jackson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Zach Jackson posted stronger surface numbers — ERA 2.86 and WHIP 1.394 compared to 4.46 and 1.451 for Fred Heimach. By the career numbers, Zach Jackson had the better of this cross-role comparison — though era context would sharpen the verdict.