Onan Masaoka vs. Reggie Richter — Career Comparison

On the career pitching numbers, Reggie Richter posted a stronger line than Onan Masaoka. Reggie Richter posted stronger numbers in ERA (3.13 vs 4.23) and home runs allowed (0.16 per nine innings vs 0.96). By the career numbers, Reggie Richter 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.