The Chunichi Dragons announced today that they acquired Keisuke Tanimoto from the Nippon Ham Fighters for cash. He was assigned the uniform number 60.
Source: Chunichi 7/31/2017
[UPDATE 7/31 @ 6:30pm]
The Dragons held a press conference for Tanimoto at Nagoya Stadium today. He then traveled to Tokyo to tie up loose ends with the Nippon Ham Fighters. He could make the active roster as early as August 3.
Tanimoto told reporters during his press conference that the trade caught him by surprise. He also spoke about how he grew up watching the Dragons as a kid.
Source: Nikkan Sports 7/31/2017