Grant Balfour vs. Robert Moore — Career Comparison

Looking at the career totals, Grant Balfour and Robert Moore are fairly close on the surface numbers. Robert Moore posted stronger numbers in ERA (0 vs 3.49) and home runs allowed (0 per nine innings vs 0.78). Grant Balfour had the advantage in WHIP (1.245 vs 2.000). By the career numbers, Robert Moore had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.