Ramon Lopez vs. Ed Pierce — Career Comparison

Looking at the career totals, Ramon Lopez and Ed Pierce are fairly close on the surface numbers. Ramon Lopez posted stronger numbers in WHIP (1.143 vs 2.438) and home runs allowed (1.29 per nine innings vs 1.69). Ed Pierce had the advantage in ERA (3.38 vs 5.14). By the career numbers, Ramon Lopez 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.