 On January 11, 1971, Nankai Hawks pitcher Kiyohiro Miura received a stern warning for receiving an invitation to throw games from teammate Kimihiro Satō and not reporting it.On January 29 of that year, Taiyō coach Takashi Suzuki and pitcher Shōji Sakai were barred from playing in the NPB for their involvement with the "yakuza".Finally, on February 15, 1971, Lotte Orions pitcher Fumio Narita was suspended for a month for his involvement with bookmakers.