Ian Anderson vs. John Rocker — Career Comparison

Ian 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 95), run prevention (ERA+ 159 vs 99), and home run suppression (HR9+ 151 vs 114). Ian Anderson held the edge in walk avoidance (BB%+ 76 vs 72). Role difference aside, John Rocker holds a clear edge on every meaningful shared measure.