John Duffie vs. Devin Williams — Career Comparison

John Duffie built a career as a starting pitcher and Devin Williams as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Devin Williams posted stronger surface numbers — ERA 2.45 and WHIP 1.058 compared to 2.79 and 1.655 for John Duffie. By the career numbers, Devin Williams had the better of this cross-role comparison — though era context would sharpen the verdict.