Ryan Christie has completed a six-month loan switch from Celtic to Aberdeen.
Celtic and Scotland Under-21 forward Ryan Christie joins Aberdeen on loan until the end of the season.
Mark Warburton wants Barrie McKay to stay at Rangers and insists the winger would not be allowed to leave Ibrox on the cheap.
Aberdeen have announced a deal to sign Ryan Christie on loan from Celtic.
Leigh Griffiths is back in contention for the Premiership visit of St Johnstone after missing Sunday's Scottish Cup victory over Albion Rovers with a calf injury.
Partick Thistle have signed Reading defender Niall Keown on loan.
Former Kilmarnock striker Souleymane Coulibaly shone so brightly during his brief stay in Scottish football.
Partick Thistle sign Niall Keown, son of ex-Arsenal defender Martin Keown, on loan from Reading.