Ed Pierce vs. Roy Roberts — Career Comparison

Looking at the career totals, Ed Pierce and Roy Roberts are fairly close on the surface numbers. Roy Roberts posted stronger numbers in WHIP (1.487 vs 2.438) and home runs allowed (0.32 per nine innings vs 1.69). Ed Pierce had the advantage in ERA (3.38 vs 4.66). By the career numbers, Roy Roberts 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.