Osvaldo Bido vs. Zach Day — Career Comparison

Looking at the career totals, Osvaldo Bido and Zach Day are fairly close on the surface numbers. Zach Day posted stronger numbers in ERA (4.66 vs 5.07) and home runs allowed (0.85 per nine innings vs 1.21). Osvaldo Bido had the advantage in WHIP (1.420 vs 1.554). By the career numbers, Zach Day 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.