Grant Balfour vs. Mitch Chetkovich — Career Comparison

Looking at the career totals, Grant Balfour and Mitch Chetkovich are fairly close on the surface numbers. Mitch Chetkovich 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 1.667). By the career numbers, Mitch Chetkovich 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.