October 5 @ 23:38 – The Carp posted an official announcement at their website about the departures of the following two coaches:
Source: Hiroshima 10/5/2017
October 5 @ 18:06 – The Hiroshima Carp announced today that forty-seven-year-old Takuro Ishii (hitting coach) and forty-nine-year-old Yusuke Kawada (outfield/base coach) will not be returning next year. The two coaches submitted letters of resignation to the Carp because they want to spend more time with their families in Tokyo. The team has accepted their resignations.