There has been some reports which have revealed Chelsea are on the verge of signing up Diego Costa from Charlton.
The son of former Blues ace Gus Poyet, is very highly-rated in the game and has been scouted by some of the games biggest clubs.
However, Charlton are determined to keep hold and offered him a bid deal to try and keep hold.
But he has rejected a new deal and now is set to make a move to Stamford Bride.
As quoted on the Daily Mail website, Charlton director Katrien Meire said: “We are extremely disappointed that Diego has turned down our offer for him to stay with us.
We did all we could to persuade him to remain with the club where he has played from a very young age.
“Along with our fans, I enjoyed watching his progression last season and hoped we would continue to enjoy his development at The Valley for a while longer.”