Jay Aldrich vs. John Rocker — Career Comparison

The numbers give John Rocker a clear advantage over Jay Aldrich across the core pitching metrics. John Rocker led in strikeout rate (K%+ 160 vs 64), run prevention (ERA+ 159 vs 102), and home run suppression (HR9+ 151 vs 98). Jay Aldrich held the edge in walk avoidance (BB%+ 132 vs 72). John Rocker was the better reliever — the numbers make that case clearly.