William Parson vs. Charlie Sweeney — Career Comparison

On the career pitching numbers, Charlie Sweeney posted a stronger line than William Parson. Charlie Sweeney posted stronger numbers in ERA (2.87 vs 4.92) and WHIP (1.067 vs 1.856). By the career numbers, Charlie Sweeney 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.