David Hernandez vs. J. J. Putz — Career Comparison

The numbers give J. J. Putz a clear advantage over David Hernandez across the core pitching metrics. J. J. Putz led in run prevention (ERA+ 123 vs 83), walk avoidance (BB%+ 130 vs 92), and home run suppression (HR9+ 109 vs 74). J. J. Putz was the better reliever — the numbers make that case clearly.