Chelsea will be on high alert after Malaga playmaker Isco admitted he would be open to a move away if the deal suited both parties.
Isco was considered to be one of Chelsea's No. 1 targets for the summer, before the playmaker signed a new contract with Malaga which seemed to have quashed any suggestions of an impending move.
However, Malaga are still under a financial cloud and might be forced to sell a couple of their top players at the end of the season to balance the books.
Arsenal recently took advantage of the Spanish club's situation by swooping for Nacho Monreal on transfer deadline day, after they had already brought in Santi Cazorla for a fee much lesser than the market value.
Chelsea can take similar advantage by moving in for Isco, although Malaga are unlikely to sell their prime asset for anything less than the €35 million (£30 million, $46 million) buyout clause which was inserted when he signed a new deal late last month.
Isco, though, said he would still prefer to stay with Malaga, but would be ready to move to a new team if it would help the club stay afloat.
"I'm not worried, because my head is in this club, but if a club decides to come and sign me they'll have to be a big club because it'd be a lot of money," Isco told AS. "Therefore, if it would help Malaga, I wouldn't have a problem accepting a transfer, if it benefitted both of us."
Meanwhile, John Terry has rubbished reports of a rift developing between himself and Rafa Benitez, after the skipper found playing time hard to come by in recent weeks.
"I read those stories in the paper but it is completely lazy journalism," Terry said. "It's total rubbish. The manager knows me and I want to play. I have been out for two or three months but the other two (center-backs) have been doing well. It's good to have competition.
"When you're playing for 10 years you don't just get selected. You have to play well, train well and impress managers that come in. Most frustrating for me was that when Rafa came in I wasn't able to impress him and show him what I'm about, I was sitting in the dressing room looking out the window at the lads training.
"He hasn't seen the true me, I still need a couple of games, but if called upon all I can do is come in and play well. There is no rift, the team spirit is great here and we've always had a good mentality within the squad."