Denis Sergeyevich Sergeev or Denis Sergeyevich Sergeyev (Денис Сергеевич Сергеев; born March 21, 1982, in Vladimir Oblast, Russia) is a Russian amateur boxer who won the silver medal at the 2008 European Amateur Boxing Championships in the super heavyweight division.
Sergeev won a bronze in the 2005 Super-heavyweight Russian senior national championships losing 29:14 to Vladislav Vasilev and won a bronze again in 2006 losing to Magomed Abdusalamov in the semi-final by 49:44. The following year in 2007 he won the title beating European champion Islam Timurziev 22:19 in the final and followed the success up in 2008 beating Shamil Gadzhiev to win the title.[1]
In November 2007, Sergeev won the "Good Luck Beijing" International Boxing Tournament at the Beijing Workers' Indoor Arena, China, beating Michael Hunter of the USA 21-18 in the final.[2] [3]
Sergeev represented Russia at the 2008 European Amateur Boxing Championships in Liverpool, England. He won a silver medal after being defeated in the final 9:2 by Bulgarian Kubrat Pulev.[4] 2008 (as a Super heavyweight)
At the 2009 World Amateur Boxing Championships he lost to Viktar Zuyev and didn't medal.