Bill Williams vs. Brad Ziegler — Career Comparison

Bill Williams built a career as a starting pitcher and Brad Ziegler as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Brad Ziegler posted stronger surface numbers — ERA 2.75 and WHIP 1.334 compared to 5.06 and 1.313 for Bill Williams. By the career numbers, Brad Ziegler had the better of this cross-role comparison — though era context would sharpen the verdict.