Bill Dammann vs. William Parson — Career Comparison

On the career pitching numbers, Bill Dammann posted a stronger line than William Parson. Bill Dammann posted stronger numbers in ERA (4.06 vs 4.92) and WHIP (1.599 vs 1.856). By the career numbers, Bill Dammann 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.