Grant Balfour vs. Bob Macdonald — Career Comparison

The numbers give Grant Balfour a clear advantage over Bob Macdonald across the core pitching metrics. Grant Balfour led in home run suppression (HR9+ 123 vs 90), strikeout rate (K%+ 123 vs 90), and run prevention (ERA+ 115 vs 101). Bob Macdonald held the edge in walk avoidance (BB%+ 100 vs 83). Grant Balfour was the better reliever — the numbers make that case clearly.