Shane Duffy a doubt ahead of Celtic’s trip to Milan

Meanwhile, Neil Lennon admits he would have understood if Sunday’s defeat by Ross County had ended his reign as Celtic boss

Celtic's Scott Bain (left) and Shane Duffy walk off the pitch after a Scottish Premiership against Hibs last month. Picture: Andrew Milligan

Shane Duffy will have a knee injury assessed ahead of Celtic’s Europa League clash with AC Milan in Italy on Thursday night.

Fellow defender Christopher Jullien has played two games after a long spell out injured with a back problem and is a doubt.