Wilson Alvarez vs. Glenn Spencer — Career Comparison

Looking at the career totals, Wilson Alvarez and Glenn Spencer are fairly close on the surface numbers. Wilson Alvarez posted stronger numbers in ERA (3.96 vs 4.53) and WHIP (1.406 vs 1.478). Glenn Spencer had the advantage in home runs allowed (0.62 per nine innings vs 0.98). By the career numbers, Wilson Alvarez 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.