Spencer Bivens vs. George Zuverink — Career Comparison

Looking at the career totals, Spencer Bivens and George Zuverink are fairly close on the surface numbers. George Zuverink posted stronger numbers in ERA (3.54 vs 3.68) and home runs allowed (0.78 per nine innings vs 1.04). Spencer Bivens had the advantage in WHIP (1.296 vs 1.389). By the career numbers, George Zuverink 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.