Sumo: Kisenosato's retirement leaves sport without Japanese grand champion

Grand champion Kisenosato announced his retirement Wednesday, sending shockwaves throughout the sumo world and once again leaving the sport without a Japan-born grand champion.With tears streaming down his face, the 32-year-old Ibaraki native lamented that he was unable to carry out his duties as one of the sport's elite but said he leaves the ring without any regrets."Even though it's very regrettable that I wasn't able to live up to everyone's expectations as a yokozuna, I don't regret one bit of my career on the dohyo," he said.At age 30, Kisenosato was the 72nd wrestler and most recent …READ FULL ARTICLE