Spencer Bivens vs. Yosver Zulueta — Career Comparison

Looking at the career totals, Spencer Bivens and Yosver Zulueta are fairly close on the surface numbers. Spencer Bivens had the edge in ERA (3.68 vs 5.32). By the career numbers, Spencer Bivens 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.