Defender Mats Hummels admits he is pondering his future at Borussia Dortmund and refuses to rule out a transfer abroad.
Former England striker Matt Le Tissier believes Raheem Sterling's future is a choice between cash and development.
Aberdeen have announced that goalkeeper Jamie Langfield has signed a new two-year contract.
The 32-year-old returned to first-team action this month after suffering a brain seizure last summer.
The former Dundee player joined Aberdeen in 2005 and has made 226 appearances for the club.