Ken Penner vs. Andy Pratt — Career Comparison

Looking at the career totals, Ken Penner and Andy Pratt are fairly close on the surface numbers. Ken Penner posted stronger numbers in ERA (3.55 vs 15) and WHIP (1.500 vs 4.333). Andy Pratt had the advantage in home runs allowed (0 per nine innings vs 0.36). By the career numbers, Ken Penner 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.