Billy Norman vs. Kai-Wei Teng — Career Comparison

On the career pitching numbers, Billy Norman posted a stronger line than Kai-Wei Teng. Billy Norman posted stronger numbers in ERA (3.4 vs 7.3) and WHIP (1.248 vs 1.697). By the career numbers, Billy Norman 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.