Adam Lallana is facing a significant injury lay-off.

He misses Albion’s game at home to Fulham tomorrow, as do Levi Colwill and Danny Welbeck.

Lallana has not featured since leaving the action during the 1-1 draw at Leicester.

Head coach Roberto De Zerbi said today: “Lallana is a big injury and we lose him for much time.

“Unfortunately it is a big problem.”

He later said the former Liverpool man would miss months rather than weeks.

Lallana held the back of his thigh after joining the attack which saw Albion go ahead at the King Power four weeks ago.

Billy Gilmour is also out of the Fulham match.