Spasov moved to Portugal in December 1986, and remained in the nation for the following seven years, representing five teams.

In June 1994, after one season in his homeland with former team Cherno More, Spasov retired from football at nearly 36 years of age.

In 2003, he was appointed at PFC Marek Dupnitsa in his country, switching to the Republic of Macedonia and FK Bregalnica Štip the following season.

From 2006 and during four years, Spasov worked with former club Cherno More, as assistant, head coach and scout.

A midfielder, he too represented Spartak and Cherno More Varna, and also spent several years as a professional in Portugal (nine seasons, including eight with Paços de Ferreira).