Manchester United are struggling to sell out Old Trafford for their Champions League clash with Young Boys.
The Red Devils will progress to the knockout rounds with a win against the Swiss minnows on Tuesday night.
The club are offering tickets on general sale, priced between £45 and £58 in three of the four sides of the stadium.
United have failed to score in their two Champions League home games this season after being held to a goalless draw against Valencia and losing 1-0 to Juventus.
There were empty seats against Valencia last month – and there could be a similar sight when United host Young Boys.
Jose Mourinho will be without Victor Lindelof for the penultimate group stage game after the defender injured his hamstring in their bore draw with Crystal Palace on Saturday.
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The United boss revealed the Swedish defender is expected to out for few weeks but is hopeful he will return for the bust Christmas period.
Mourinho said: “Victor has a proper injury that will keep him out for quite a while.
“No, he does the scan tomorrow. But by the experience of the medical department, he has a muscular problem, and muscular problems take time.
“If we have him for the Christmas period, when we need as many as possible, it will be good.”
However, the Red Devils boss will be boosted by the return of Luke Shaw.
The full-back is expected to slot back in the defence after his one-match domestic ban for picking up five bookings.