Hiroki Sakai is set to return to the J-League with first-division side Urawa Reds, who have reached a deal in principle to sign the Japan right-back from French club Marseille at the end of the European season, a source close to the matter said Monday.The 31-year-old is seen as one of the favorites to make Japan's Tokyo Olympics team as an overage player this summer. Clubs are not required to release players for Olympic duty but a return to the J-League would likely increase Sakai's availability.Sakai came through the ranks at Kashiwa Reysol and joined the top team in 2009, with the 1.83-me…READ FULL ARTICLE