The Nippon Ham Fighters are interested in Yomiuri senryokugai Kazunari Sanematsu. The Fighters are thinking about offering him a contract as a player/coach. They also might be looking at him as insurance (back-up plan) in case Shota Ono decides to sign with another team.
Source: Sponichi 11/28/2017
[UPDATE 12/31 @ 12:41am]
The Fighters announced on December 4 that they added Sanematsu to their team as a player/Ikusei coach. He was assigned the uniform number 90.