Manny Aybar vs. Bill Williams — Career Comparison

Bill Williams built a career as a starting pitcher and Manny Aybar as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Manny Aybar posted stronger surface numbers — ERA 5.11 and WHIP 1.522 compared to 7.71 and 1.714 for Bill Williams. By the career numbers, Manny Aybar had the better of this cross-role comparison — though era context would sharpen the verdict.