Henry Mathewson vs. Unknown Powell — Career Comparison

On the career pitching numbers, Henry Mathewson posted a stronger line than Unknown Powell. Henry Mathewson posted stronger numbers in ERA (4.91 vs 40.5) and WHIP (2.000 vs 7.500). By the career numbers, Henry Mathewson 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.