Ron Guidry vs. Jack O'Connor — Career Comparison

Ron Guidry built a career as a starting pitcher and Jack O'Connor as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ron Guidry led in walk avoidance (BB%+ 153 vs 82), strikeout rate (K%+ 124 vs 85), and run prevention (ERA+ 112 vs 80). Role difference aside, Ron Guidry holds a clear edge on every meaningful shared measure.