Arnett Mitchell vs. Ariel Prieto — Career Comparison

Looking at the career totals, Arnett Mitchell and Ariel Prieto are fairly close on the surface numbers. Arnett Mitchell posted stronger numbers in WHIP (1.543 vs 1.675) and home runs allowed (0.22 per nine innings vs 0.87). Ariel Prieto had the advantage in ERA (4.85 vs 5.32). By the career numbers, Arnett Mitchell 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.