Pedro Astacio vs. John Rocker — Career Comparison

Pedro Astacio 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 home run suppression (HR9+ 151 vs 79), run prevention (ERA+ 159 vs 88), and strikeout rate (K%+ 160 vs 111). Pedro Astacio held the edge in walk avoidance (BB%+ 105 vs 72). Role difference aside, John Rocker holds a clear edge on every meaningful shared measure.