Freddy Peralta vs. Glenn Spencer — Career Comparison

Looking at the career totals, Freddy Peralta and Glenn Spencer are fairly close on the surface numbers. Freddy Peralta posted stronger numbers in ERA (3.59 vs 4.53) and WHIP (1.135 vs 1.478). Glenn Spencer had the advantage in home runs allowed (0.62 per nine innings vs 1.14). By the career numbers, Freddy Peralta 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.