Zach McAllister vs. John Whitehead — Career Comparison

John Whitehead built a career as a starting pitcher and Zach McAllister as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Zach McAllister posted stronger surface numbers — ERA 4.15 and WHIP 1.412 compared to 4.6 and 1.532 for John Whitehead. By the career numbers, Zach McAllister had the better of this cross-role comparison — though era context would sharpen the verdict.