Al Jackson vs. Darold Knowles — Career Comparison

Al Jackson built a career as a starting pitcher and Darold Knowles as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Al Jackson led in walk avoidance (BB%+ 112 vs 90), strikeout rate (K%+ 76 vs 67), and skill-based run prevention (DICE+ 95 vs 88). Darold Knowles held the edge in run prevention (ERA+ 117 vs 95). Role difference aside, Al Jackson holds a clear edge on every meaningful shared measure.