Keith Foulke vs. Cal Quantrill — Career Comparison

Cal Quantrill built a career as a starting pitcher and Keith Foulke as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Keith Foulke led in walk avoidance (BB%+ 161 vs 107), strikeout rate (K%+ 110 vs 82), and run prevention (ERA+ 111 vs 101). Cal Quantrill held the edge in home run suppression (HR9+ 102 vs 74). Role difference aside, Keith Foulke holds a clear edge on every meaningful shared measure.