William Parson vs. Vinnie Pestano — Career Comparison

Looking at the career totals, William Parson and Vinnie Pestano are fairly close on the surface numbers. Vinnie Pestano posted stronger numbers in ERA (2.98 vs 4.92) and WHIP (1.293 vs 1.856). William Parson had the advantage in home runs allowed (0.6 per nine innings vs 1.07). By the career numbers, Vinnie Pestano 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.