Brett Anderson vs. John Rocker — Career Comparison

Brett Anderson built a career as a starting pitcher and John Rocker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Rocker led in strikeout rate (K%+ 160 vs 87), run prevention (ERA+ 159 vs 123), and skill-based run prevention (DICE+ 127 vs 113). Brett Anderson held the edge in walk avoidance (BB%+ 134 vs 72). Role difference aside, John Rocker holds a clear edge on every meaningful shared measure.