Bob Gibson vs. Dan Jennings — Career Comparison

Bob Gibson built a career as a starting pitcher and Dan Jennings as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dan Jennings led in home run suppression (HR9+ 259 vs 105), run prevention (ERA+ 161 vs 101), and walk avoidance (BB%+ 89 vs 79). Bob Gibson held the edge in strikeout rate (K%+ 115 vs 82). Role difference aside, Dan Jennings holds a clear edge on every meaningful shared measure.