Bob Gibson vs. Brad Ziegler — Career Comparison

Bob Gibson 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 led in home run suppression (HR9+ 170 vs 105), run prevention (ERA+ 139 vs 101), and walk avoidance (BB%+ 111 vs 79). Bob Gibson held the edge in strikeout rate (K%+ 115 vs 75). Role difference aside, Brad Ziegler holds a clear edge on every meaningful shared measure.