Freddy Dolsi vs. William Parson — Career Comparison

On the career pitching numbers, Freddy Dolsi posted a stronger line than William Parson. Freddy Dolsi posted stronger numbers in ERA (3.55 vs 4.92) and WHIP (1.714 vs 1.856). By the career numbers, Freddy Dolsi 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.