Roric Harrison vs. Yoshinobu Yamamoto — Career Comparison

On the career pitching numbers, Yoshinobu Yamamoto posted a stronger line than Roric Harrison. Yoshinobu Yamamoto posted stronger numbers in ERA (2.66 vs 4.24) and WHIP (1.032 vs 1.471). By the career numbers, Yoshinobu Yamamoto 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.