Manchester United have confirmed Aaron Wan-Bissaka is set to be sidelined for “several weeks” after the right-back picked up an injury in the defeat to Brighton on Saturday. United have endured a challenging and chaotic start to the season, with off-field issues compounded by poor performances and results on the pitch. They are preparing for Wednesday’s Champions League group game at Bayern Munich on the back of the 3-1 home loss to Roberto De Zerbi’s men at the weekend, when their injury issues worsened. Wan-Bissaka was named on the bench having dealt with illness in the build-up and then picked up an injury when brought on as an 85th-minute substitute. “Aaron Wan-Bissaka is set for a period on the sidelines after sustaining an injury during the closing stages of Saturday’s game against Brighton and Hove Albion,” read a United statement. “Further assessment will be needed to determine how long Wan-Bissaka will be out for, but initial indications suggest it will be several weeks.” Luke Shaw and Tyrell Malacia are out along with centre-back Raphaël Varane, while deadline-day signing Sofyan Amrabat has yet to make his debut due to a knock. Meanwhile, Mason Mount has not featured for United since picking up an injury in last month’s loss at Tottenham, while Kobbie Mainoo, Amad Diallo and Tom Heaton are also sidelined. Jadon Sancho has been banished from the first team “pending resolution of a squad discipline issue” and Antony has been given a leave of absence following assault allegations against him.