Sadakov began his club career at the local Lokomotiv Plovdiv.

For "The Smurfs" he played eleven seasons, before transferring to Portugal's C.F.

Sadakov made 80 appearances for Bulgaria, between 1981 and 1991 and scored 9 goals.

[1] He played in four matches for his country at 1986 FIFA World Cup.

[2] Sadakov had been appointed on September 29, 2008 as a manager of Lokomotiv Plovdiv a second time to replace Dragan Kanatlarovski.