However ... NORTH of the border it seems unwanted Gary Caldwell is the only one of the four that has any chance of heading to the Riverside.
The Glasgow newspaper the Record insists Strachan has little hope of staging a smash-and-grab raid.
Only last week the £5 million Socceroos striker McDonald told an Australian newspaper there was "no chance" of him heading to Teesside.
The majority of Celtic fans would be delighted to see the back of Caldwell, who almost sing-handed knocked Celtic out of Europe with some horror defending ... then went on to slag off the club.