Former Japan international Keisuke Honda has indicated he may leave Brazilian first-division side Botafogo after the firing of manager Ramon Diaz on Friday.Related coverage:Football: Honda scores 2nd goal for Botafogo in Brazilian 1st divisionBotafogo announced the dismissal of former Argentina international Diaz just three weeks after his appointment, without him ever coaching a game for the struggling Rio de Janeiro club.Honda voiced his disapproval on Twitter, tweeting in English, "Unbelievable."In another post a few minutes later, he wrote, "I will start thinking to leave if they won't …READ FULL ARTICLE