Masayuki Nagayasu’s punishment initially appeared to close the first chapter of the Black Mist scandal. After the Lions discovered in October 1969 that he had taken yakuza money to throw games, the club announced his release and the NPB permanently expelled him in November. He became the first player ever banned for life from Japanese professional baseball. But instead of disappearing quietly, Nagayasu turned the punishment into a public reckoning.
On April 1, 1970, he sat for an exclusive tape-recorded interview with the magazine Shūkan Post. Fuji Television also broadcast the material, transforming an internal baseball scandal into a nationally visible exposé. Nagayasu alleged that other Nishitetsu players had participated in fixing games, prompting the league to summon seven men: Nagayasu, ace pitcher Masaaki Ikenaga, pitchers Yoshinobu Yoda and Akio Masuda, catcher Kimiyasu Murakami, and infielders Kazuhide Funada and Mitsuo Motoi. Yoda and Masuda admitted involvement. Ikenaga denied that he had fixed games, but his failure to return ¥1 million given to him by former teammate Tsutomu Tanaka as an invitation to cheat became central to the league’s case against him. Ikenaga’s lifetime expulsion sparked a fierce challenge from his family and the Nishitetsu front office, and he was not permitted to petition for reinstatement until a new NPB rule was adopted in 2005. His ban was finally lifted on April 25 of that year, making the scandal’s last major chapter one of delayed rehabilitation rather than simple erasure.
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