Archie Bradley vs. Dan O'Brien — Career Comparison

Looking at the career totals, Archie Bradley and Dan O'Brien are fairly close on the surface numbers. Archie Bradley posted stronger numbers in ERA (4.03 vs 5.9) and WHIP (1.409 vs 1.931). Dan O'Brien had the advantage in home runs allowed (0.31 per nine innings vs 0.85). By the career numbers, Archie Bradley 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.