J. D. Martin vs. Unknown Smith — Career Comparison

On the career pitching numbers, J. D. Martin posted a stronger line than Unknown Smith. J. D. Martin posted stronger numbers in ERA (4.32 vs 18.9) and WHIP (1.448 vs 3.600). By the career numbers, J. D. Martin 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.