Career
Denisov started his playing careet at Pakhtachi Guliston from Guliston in 1977. After one year playing for Pakhtachi he joinedPakhtakor. The most of his career he played for Pakhtakor.
He made his professional debut in the Soviet Top League in 1979 for Pakhtakor.
He was one of the player of Pakhtakor among Andrey Pyatnitskiy, Mirjalol Qosimov, Igor Shkvyrin, Khoren Oganesian and others who led club to promotion to Soviet Top League in 1991, after finishing runners-up in 1990 Soviet First League. Denisov is all-time most capped player of Pakhtakor with 371 caps ahed of Berador Abduraimov.
Totally he capped 508 matches in all championships in his career. In 1992 he moved to where he completed 3 seasons.
Denisov completed 5 matches for national team in 1992-1996.
In 1996 AFC Asian Cup he played in all three matches of Uzbekistan in group stage. He started coaching career in 1998 at Sergeli Tashkent. In 2001 he worked as assistant coach at Kimyogar Chirchiq.
From 2010 he is assistant coach to Igor Shkvyrin at Olmaliq FK. Club Pakhtakor.