All the latest Arsenal transfer news in one place.
Italy's match winner in Manaus against England, the striker does not have Champions League football on offer at AC Milan next season.
Monaco are also said to be interested, but it is Arsenal who reports in Italy claim are doing all the early running.
The Telegraph have reported that Thomas Vermaelen has agreed terms on a £100,000 per week deal, and link up with former Arsenal teammate Robin van Persie at Manchester United.
The centre-back has been third choice at the Gunners, although retains the captaincy, and is expected to move on this summer.
His agent has however denied a deal is close to being telling the BBC: "No deal is in place with United or any other club."
Arsene Wenger has reportedly given the green light for Joel Campbell to become part of Arsenal's first team next season, after his opening game exploits for Costa Rica at the World Cup.
Olympiakos loanee Campbell scored a goal and provided an assist in the shock 3-1 win over Uruguay.
Wenger told reporters: "He will definitely come back to us for pre-season, he is maturing well."