Curtis Davies has been linked with a summer exit at Hull City, but Steve Bruce insists his skipper is not for sale.
Fabian Delph is hoping to see contract extension talks opened at Aston Villa as he has no desire to move on.
Celtic have secured a work permit for Australian midfielder Tom Rogic.
The 20-year-old midfielder signed for Celtic on a four-and-a-half-year contract after a deal was agreed last week with Central Coast Mariners in Australia.
A club statement read: "The highly-rated youngster will now return to Australia to complete some final paperwork before returning to Glasgow and getting his Hoops career under way."