Robert Person vs. Glenn Spencer — Career Comparison

Looking at the career totals, Robert Person and Glenn Spencer are fairly close on the surface numbers. Glenn Spencer posted stronger numbers in ERA (4.53 vs 4.64) and home runs allowed (0.62 per nine innings vs 1.29). Robert Person had the advantage in WHIP (1.408 vs 1.478). By the career numbers, Glenn Spencer 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.