Yanev started his career as a central forward for Lokomotiv Varna but eventually settled in a midfield position as a playmaker with a taste for goal.
While doing his compulsory Army service playing for "Rodni krile" Sofia, Lokomotiv merged with another Varna team (Korabostroitel) and competed in the second level (Group "B”) of Bulgarian football, under the name DFS Cherno More.
Yanev took part in the club's England tour in August 1966, opening the score in a match against Coventry City on Highfield Road.
Yanev wrote articles and opinions in the popular newspapers Narodno Delo, Naroden Sport and Start.
Yanev was on air for live radio commentaries from the UEFA Euro 1996 in England and 1998 FIFA World Cup in France.