Brendan Donnelly vs. Bill Williams — Career Comparison

Bill Williams built a career as a starting pitcher and Brendan Donnelly as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Brendan Donnelly posted stronger surface numbers — ERA 3.22 and WHIP 1.277 compared to 5.06 and 1.313 for Bill Williams. By the career numbers, Brendan Donnelly had the better of this cross-role comparison — though era context would sharpen the verdict.