Robin Roberts vs. Kai-Wei Teng — Career Comparison

On the career pitching numbers, Robin Roberts posted a stronger line than Kai-Wei Teng. Robin Roberts posted stronger numbers in ERA (3.41 vs 7.3) and WHIP (1.184 vs 1.697). By the career numbers, Robin Roberts 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.