Pete Filson vs. William Parson — Career Comparison

Looking at the career totals, Pete Filson and William Parson are fairly close on the surface numbers. Pete Filson posted stronger numbers in ERA (4.18 vs 4.92) and WHIP (1.432 vs 1.856). William Parson had the advantage in home runs allowed (0.6 per nine innings vs 1.17). By the career numbers, Pete Filson 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.