Elvis Alvarado vs. Spencer Bivens — Career Comparison

Looking at the career totals, Elvis Alvarado and Spencer Bivens are fairly close on the surface numbers. Spencer Bivens posted stronger numbers in WHIP (1.296 vs 1.346) and home runs allowed (1.04 per nine innings vs 1.28). Elvis Alvarado had the advantage in ERA (3.19 vs 3.68). 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.