Yokozuna Kakuryu, a wrestler at sumo's highest rank and winner of six top-division titles, retired Wednesday after missing a fifth straight tournament due to injury.The retirement of the 35-year-old Mongolia-born wrestler was approved the same day by the Japan Sumo Association.Kakuryu, whose real name is Mangaljalav Anand, has long been dealing with elbow and lower back pain, and recently announced he would sit out the ongoing Spring Grand Sumo Tournament because of a left hamstring strain.The surprise retirement announcement came less than two weeks after Kakuryu told his stablemaster, Mic…READ FULL ARTICLE