The Seibu Lions announced on the 2nd that they have begun the application process for pitcher Kaima Taira to use the posting system for a move to Major League Baseball. Negotiations will be possible starting from 10:00 PM on the 2nd, Japan time.

On October 30, the club announced its approval for a transfer using the system. On the 31st, Taira spoke to the press and expressed his enthusiasm, saying, 'I am simply happy and want to do my best from here. As a pitcher, I think everyone wants to win the Cy Young Award, and I want to work toward that. I would be happy if I could play in the World Series.'