Former sekiwake Okinoumi announced his retirement from competition Saturday after pulling out of the ongoing New Year Grand Sumo Tournament.The 37-year-old withdrew Friday from the 15-day meet at Ryogoku Kokugikan, where he was competing as a No. 12 maegashira, after opening with five straight losses.He will remain attached to the Hakkaku sumo stable as an instructor, taking on the elder name Kimigahama."For several years, I relied on mental strength to overcome my inability to wrestle my own style of sumo, but it recently became too exhausting," he said. "I received a lot of support and me…READ FULL ARTICLE