Sultan-Ahmed Magomedsalihovich Ibragimov is a Russian former professional boxer who competed from 2002 to 2008. He held the World Boxing Organization (WBO) heavyweight title from 2007 to 2008. He was ranked by The Ring as the world's sixth best active heavyweight at the conclusion of 2007 and 2008. As an amateur, he won silver medals at the 2000 Olympics and 2000 European Championships, and bronze at the 2001 World Championships, all in the heavyweight division. World heavyweight champion (WBO) from June 2, 2007 to February 23, 2008. Wiki link