Craig Breslow vs. Frank Keffer — Career Comparison

Looking at the career totals, Craig Breslow and Frank Keffer are fairly close on the surface numbers. Craig Breslow posted stronger numbers in ERA (3.45 vs 5.63) and WHIP (1.367 vs 1.500). Frank Keffer had the advantage in home runs allowed (0 per nine innings vs 0.88). By the career numbers, Craig Breslow 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.