MOSCOW, March 18 (Xinhua) -- Former Chelsea and Tottenham boss Andre Villas-Boas was named Russian side Zenit St Petersburg's new manager on Tuesday.

The 36-year-old Portuguese will officially sign for Zenit on March 20.

"Zenit has agreed terms on a contract with new head coach Andre Villas-Boas," said the club in a statement. "The contract will be signed and Mr Villas-Boas will be presented in St Petersburg as Zenit's new head coach on March 20."

Villas-Boas will receive at least 8.5 million euros (about 11.8 million U.S. dollars) a season as well as possible bonuses, according to local media.