Thirty-six-year-old Eiichi Koyano and thirty-five-year-old Hiroyuki Nakajima signed three-year contracts after the 2014 season. The Orix Buffaloes have determined that both players are necessary pieces and are planning to negotiate terms for the 2018 season. Nakajima’s contract may have included a performance-based option for a fourth year.
Source: Sponichi 9/7/2017
[UPDATE 12/1 @ 10:34pm]
Koyano signed a new contract with the Buffaloes. He agreed to a one-year deal worth an estimated sixty-three million yen (down seven million from this season).
Source: Nikkan Sports 12/1/2017