Bob Macdonald vs. Roger Mason — Career Comparison

The numbers give Bob Macdonald a clear advantage over Roger Mason across the core pitching metrics. Bob Macdonald led in run prevention (ERA+ 101 vs 94), home run suppression (HR9+ 90 vs 84), and skill-based run prevention (DICE+ 94 vs 90). Roger Mason held the edge in strikeout rate (K%+ 91 vs 90). Bob Macdonald was the better reliever — the numbers make that case clearly.