The pair are understood to enjoy a strong relationship after working together at Juventus.
The 23-year-old was photographed during pre-season training with Arsenal teammates, much to the unease of fans.
The Gunners have only signed Granit Xhaka in this transfer window.
West Ham United co-owner David Gold has trolled a Liverpool fan who made derogatory comment about the Hammers on Twitter.
Mark Warburton has brought eight new players to Ibrox so far this summer.
The French attacker has joined from Sporting on a year-long loan.
Manchester United boss wants 'specialised' players.
The Tottenham and Wales star will miss the European Championships semi final against Portugal on Wednesday.
Ex Celtic star Stiliyan Petrov is training in order to return to football at Villa Park, while Jonas Gutierrez was recently released from a stint in La Liga.
Glasgow Rangers missed Dominic Ball, then on loan from Tottenham Hotspur, due to suspension.
Whenever Chris Coleman’s players return from France – and it could be a while yet – the homecoming is guaranteed to be more lively than the last and only other occasion they reached the quarter-finals of a major tournament.
For Northern Ireland the ride stops here; albeit with a rueful, celebratory roar rather than the usual tournament tears.
The legacy of 2003 hung over England.