William Brennan vs. Luther Hackman — Career Comparison

William Brennan built a career as a starting pitcher and Luther Hackman as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Luther Hackman posted stronger surface numbers — ERA 5.09 and WHIP 1.590 compared to 5.18 and 1.849 for William Brennan. By the career numbers, Luther Hackman had the better of this cross-role comparison — though era context would sharpen the verdict.