Andres Berumen vs. Dan O'Brien — Career Comparison

Looking at the career totals, Andres Berumen and Dan O'Brien are fairly close on the surface numbers. Andres Berumen posted stronger numbers in ERA (5.66 vs 5.9) and WHIP (1.720 vs 1.931). Dan O'Brien had the advantage in home runs allowed (0.31 per nine innings vs 0.76). By the career numbers, Andres Berumen 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.