Paul Penson vs. Juan Pizarro — Career Comparison

Looking at the career totals, Paul Penson and Juan Pizarro are fairly close on the surface numbers. Juan Pizarro posted stronger numbers in ERA (3.43 vs 4.5) and WHIP (1.358 vs 1.750). Paul Penson had the advantage in home runs allowed (0.56 per nine innings vs 0.89). By the career numbers, Juan Pizarro 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.