Ozeki Takakeisho withdrew from the ongoing July Grand Sumo Tournament on Thursday after he was diagnosed with an injury to the medial collateral ligament of his left knee.Takakeisho posted his eighth win a day earlier to escape his second career "kadoban," or demotion from the second-highest rank of ozeki to the third tier of sekiwake.A kadoban-threatened ozeki needs to finish with a winning record in order to avoid demotion.The 23-year-old Takakeisho, a Chiganoura stable fighter, is the fourth makuuchi division wrestler to pull out of the 15-day meet at Tokyo's Ryogoku Kokugikan after yoko…READ FULL ARTICLE