Roric Harrison vs. Rolla Mapel — Career Comparison

Looking at the career totals, Roric Harrison and Rolla Mapel are fairly close on the surface numbers. Roric Harrison posted stronger numbers in ERA (4.24 vs 4.5) and WHIP (1.471 vs 1.700). Rolla Mapel had the advantage in home runs allowed (0 per nine innings vs 0.69). By the career numbers, Roric Harrison 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.