Borussia Dortmund striker Robert Lewandowski has entered talks with Chelsea, says his agent.

Lewandowski's agent admits discussions have been held with the Blues, but he has also confirmed that the Premier League giants are not the only side in the running.

"All the big clubs are looking at Robert," Cezary Kucharski told Reviersport.

"All of the clubs are curious about his contract details.

"I am able to confirm that a partner of mine in England has been having chats with officials at Chelsea about Robert."