Shakhtar Donetsk striker Alex Teixeira has admitted that a number of clubs are interested in signing him, including Premier League champions Chelsea.
The 25-year-old has been repeatedly linked with a potential £30m move to Stamford Bridge, and Teixeira revealed that Jose Mourinho's side are in "deep" negotiations with the Ukrainian club.
However, Teixeria believes that a move in January will be difficult, and a transfer away may have to wait until the summer.
The Brazilian said: "From what I have seen and what my manager said, Chelsea, Juventus and Paris Saint-Germain have made proposals. But Chelsea and Juventus are deeper in negotiations. They are all big clubs. Wherever I go, I'll be happy.
"I have spoken to many people who play in the Premier League because I think it's the best league in the world. It's the most competitive and I want this challenge in my career.
"Shakhtar have said they will not release me in January, only at the end of the season."
Teixeira has scored 24 goals in 18 games in all competitions so far this season.
