Jack Keenan vs. Bill Williams — Career Comparison

Bill Williams built a career as a starting pitcher and Jack Keenan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jack Keenan posted stronger surface numbers — ERA 0 and WHIP 1.250 compared to 7.71 and 1.714 for Bill Williams. By the career numbers, Jack Keenan had the better of this cross-role comparison — though era context would sharpen the verdict.