Manny Aybar vs. Bill Walker — Career Comparison

Bill Walker 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. Bill Walker posted stronger surface numbers — ERA 3.59 and WHIP 1.419 compared to 5.11 and 1.522 for Manny Aybar. By the career numbers, Bill Walker had the better of this cross-role comparison — though era context would sharpen the verdict.