Harry Biemiller vs. William Parson — Career Comparison

On the career pitching numbers, Harry Biemiller posted a stronger line than William Parson. Harry Biemiller posted stronger numbers in ERA (4.22 vs 4.92) and WHIP (1.563 vs 1.856). By the career numbers, Harry Biemiller 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.