John Michaels vs. Ariel Prieto — Career Comparison

Looking at the career totals, John Michaels and Ariel Prieto are fairly close on the surface numbers. John Michaels posted stronger numbers in WHIP (1.587 vs 1.675) and home runs allowed (0.45 per nine innings vs 0.87). Ariel Prieto had the advantage in ERA (4.85 vs 5.13). By the career numbers, John Michaels 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.