William Parson vs. Stephen Pryor — Career Comparison

Looking at the career totals, William Parson and Stephen Pryor are fairly close on the surface numbers. Stephen Pryor posted stronger numbers in ERA (2.81 vs 4.92) and WHIP (1.375 vs 1.856). William Parson had the advantage in home runs allowed (0.6 per nine innings vs 1.41). By the career numbers, Stephen Pryor 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.