Gil Patterson vs. J. R. Richard — Career Comparison

On the career pitching numbers, J. R. Richard posted a stronger line than Gil Patterson. J. R. Richard posted stronger numbers in ERA (3.15 vs 5.4) and WHIP (1.253 vs 1.770). By the career numbers, J. R. Richard 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.