Al Jackson vs. Ian Krol — Career Comparison

Al Jackson built a career as a starting pitcher and Ian Krol as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ian Krol led in strikeout rate (K%+ 100 vs 76), skill-based run prevention (DICE+ 111 vs 95), and walk avoidance (BB%+ 127 vs 112). Role difference aside, Ian Krol holds a clear edge on every meaningful shared measure.