Willie Mitchell vs. Unknown Smith — Career Comparison

On the career pitching numbers, Willie Mitchell posted a stronger line than Unknown Smith. Willie Mitchell posted stronger numbers in ERA (2.88 vs 18.9) and WHIP (1.268 vs 3.600). By the career numbers, Willie Mitchell 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.