Nikolai Valuev was born in 1973 in Leningrad, Russia. He began his boxing career in 1993 and became a professional boxer. Valuev had a successful career, winning the Russian heavyweight title in 1999 and the PABA heavyweight title in 2000, which he defended multiple times. In 2005, Valuev became the first Russian world heavyweight champion by defeating John Ruiz by majority decision to win the WBA heavyweight title. Valuev went on to defend his title successfully against opponents like Owen Beck and Jameel McCline before controversially retaining it against Evander Holyfield in 2008 via majority decision.