Tom Norton vs. John Perkovich — Career Comparison

On the career pitching numbers, Tom Norton posted a stronger line than John Perkovich. Tom Norton posted stronger numbers in ERA (2.78 vs 7.2) and WHIP (1.392 vs 1.600). By the career numbers, Tom Norton 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.