Brett Bochy vs. Dae-Sung Koo — Career Comparison

Looking at the career totals, Brett Bochy and Dae-Sung Koo are fairly close on the surface numbers. Brett Bochy posted stronger numbers in ERA (2.84 vs 3.91) and WHIP (0.789 vs 1.565). Dae-Sung Koo had the advantage in home runs allowed (0.78 per nine innings vs 1.42). By the career numbers, Brett Bochy 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.