Ray Moss vs. Ariel Prieto — Career Comparison

Looking at the career totals, Ray Moss and Ariel Prieto are fairly close on the surface numbers. Ray Moss posted stronger numbers in WHIP (1.594 vs 1.675) and home runs allowed (0.63 per nine innings vs 0.87). Ariel Prieto had the advantage in ERA (4.85 vs 4.95). By the career numbers, Ray Moss 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.