Adam Peterson vs. Andy Pratt — Career Comparison

Looking at the career totals, Adam Peterson and Andy Pratt are fairly close on the surface numbers. Andy Pratt posted stronger numbers in ERA (15 vs 16.88) and home runs allowed (0 per nine innings vs 3.38). Adam Peterson had the advantage in WHIP (3.750 vs 4.333). By the career numbers, Andy Pratt 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.