Celtic's Scottish Premiership clash with Motherwell on Saturday.The attacker rolled his ankle in the 4-0 win over Kilmarnock on Tuesday night and his absence would be a major blow for Neil Lennon's men as they look to build on the momentum gained from a solid win.Defender Christopher Jullien is out long-term with a knee injury but there is better news on winger James Forrest who is working his way back from ankle surgery.The Scotland international is back working on grass and the manager hopes