Arsenal are hoping to generate around £5m by allowing Joel Campbell to leave on a permanent basis this summer, reports The Mail.
The Costa Rica international was tipped to shine at the Emirates Stadium this season after his spectacular performances for both Olympiakos and during the World Cup.
He did enough to convince Arsene Wenger to bring him to north London and include him in his Premier League squad, but subsequently failed to a win first-team place.
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He joined Villarreal on loan as part of Arsenal's January deal for Gabriel and, having failed to impress in La Liga, has been placed on the transfer list ahead of the new season.
Benfica, Fenerbahce and Real Sociedad are just three of a number of clubs who are interested in taking him with the Portuguese outfit rumoured to be leading the race.
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They came close to signing him on loan last summer only for Wenger to opt against it at the eleventh hour. A season later and with the 22-year-old's stock significantly lower, they will get a second bite at the cherry.
Another Arsenal story
While Campbell won't be at Arsenal next season, one player who looks almost certain to be is Chelsea star Petr Cech.
The goalkeeper has been strongly linked with a move to the Gunners with Arsene Wenger keen to bring in a world-class stopper ahead of a Premier League title challenge.
Arsenal still have a lot of work to do to agree a fee with Chelsea, but it seems personal terms have already been sorted.
Sky Sports claim that the Czech Republic international has already agreed a provisional deal with the Gunners, allowing the transfer to go through as soon as Arsenal and Chelsea come to terms.
One more for luck
One name that simply will not go away is Jackson Martinez. The Colombia international may be playing at the Copa America but his future at club level is the talk of the town.
He is set to leave Porto this summer and has been linked with a move to various European clubs, including, of course, Arsenal. He drew more attention to those reports with his latest comments.
Martinez told reporters of Arsenal: "It's a big club in one of the best leagues in the world. We have to see if an offer will become a reality or not.
"The day we'll know where my future goes is near. I still haven't decided, as I'm focused on the Copa America right now."
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