Brennan Bernardino vs. Dan O'Brien — Career Comparison

Looking at the career totals, Brennan Bernardino and Dan O'Brien are fairly close on the surface numbers. Brennan Bernardino posted stronger numbers in ERA (3.47 vs 5.9) and WHIP (1.420 vs 1.931). Dan O'Brien had the advantage in home runs allowed (0.31 per nine innings vs 0.64). By the career numbers, Brennan Bernardino 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.