The 27-year-old's current deal is set to expire in the summer and although he is likely to renew with the Premier League outfit, he will also be looking at offers from other clubs.
Some of Europe's biggest clubs are targetting the player, with Real Madrid having enquired during the summer transfer window, and PSG the latest to join the race for his signature.
In fact, Manchester United are facing a plethora of issues after a poor start to the season, with boss Jose Mourinho under-fire from the board and Paul Pogba allegedly seeking a move to Barcelona.
De Gea's compatriots Juan Mata and Ander Herrera are also considering their options as their contracts run out this season, with both subject to interest from Spain.