Diego Costa missed last weekend's win over Leicester after a bust-up with manager Antonio Conte.
The official line was a back injury although it is understood that Costa will not sign a new conract at Chelsea and is likely to leave in the summer
Chinese Super League side Tianjin Quanjian are ready to pay the 28-uear-old £30m-a-year after tax.
GETTY
Diego Costa is all smiles in Chelsea training
But Conte insists he will be staying put and is in line to return against Hull on Sunday.
"I think he wants to stay with Chelsea," Conte said.
"He is very happy to play with this.
"His decision is in his mind but he is happy and happy to stay here and play for us.”
Antonio Conte denies a bust up with Diego Costa
GETTY
Diego Costa was training with his team-mates today
Costa trained on his own on Monday when the rest of the squad had the day off.
But he was back with his team-mates later in the week and is ready to play as Chelsea look to boost their title charge.
"He is available for the game against Hull City," Conte added.
"He started training on Tuesday with the team. he trained very well, he has no pain in his back and is available.
"On Sunday and Monday he started to train and prepare, he has done this well.
"He only trained on his own to get himself ready for Tuesday."
Invalid email
We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time. Read our Privacy Policy
