John Duffie vs. Luther Hackman — Career Comparison

John Duffie 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. John Duffie posted stronger surface numbers — ERA 2.79 and WHIP 1.655 compared to 5.09 and 1.590 for Luther Hackman. By the career numbers, John Duffie had the better of this cross-role comparison — though era context would sharpen the verdict.