Celtic stars Kristoffer Ajer and winger Mikey Johnston are back in training and available for Wednesday night's visit to Kilmarnock.
The pair will be a welcome addition to Neil Lennon 's side as they face a tough challenge on the notorious plastic surface at Rugby Park.
The Hoops remain at the top of the league by two points despite being defeated by Rangers before the winter break.
The injured Ryan Christie serves the second of his two-game ban after he was issued with a controversial 2-match ban for striking Alfredo Morelos in a sensitive area.
Mohamed Elyounoussi is out with a foot problem while Hatem Abd Elhamed is still suffering a groin complaint.
Winger James Forrest remains sidelined with a knock while Nir Bitton will be out for a couple of weeks with an injury picked up against Partick Thistle at the weekend.
Celtic provisional squad
Forster
Frimpong
Bauer
Hayes
Ajer
Bolingoli
Taylor
Ajer
Jullien
Brown
McGregor
Arzani
Rogic
Ntcham
Johnston
Edouard
Bayo
Klimala
Griffiths
Gordon
