Arsenal defender Calum Chambers has joined Middlesbrough on a season-long loan.
The 21-year-old former Southampton star has opted for a move to the Riverside as Shkodran Mustafi has arrived at the Emirates.
Already behind Rob Holding, Laurent Koscielny, Gabriel Paulista and Per Mertesacker in the pecking order, Chambers has opted to leave in search of first-team football.
Middlesbrough head coach Aitor Karanka said: ‘I’m really pleased.
‘It’s a position where we’ve been working towards bringing the right player in.
‘We haven’t been in a hurry […]