The Glasgow Rangers forward has been linked with a move to Sunderland and the Gers should discuss certain players heading in the other direction.
Sunderland and Burnley played out a goalless draw in their latest league clash.
The Sunderland trio could be set to depart as Sam Allardyce transforms his squad.
Sunderland take on Chelsea at Stamford Bridge this weekend.
The Black Cats midfielder stressed that his side must keep control of their own destiny and not yield the initiative to Newcastle or Norwich.
The Gunners visit the Black Cats on Sunday.
Sunderland face Newcastle United this weekend.
The Swedish international is back in training.
Sunderland take on the Hammers this weekend and can call on three of their previously injured players.
Sunderland are almost back to full strength with regards to injuries.