Stretford End Flags plan to honour sacked manager Ole Gunnar Solskjaer on Thursday night.
United will host Arsenal this week, with the game the first at Old Trafford since Solskjaer's sacking.
Supporters group Stretford End Flags have announced plans to pay tribute to Solskjaer on the night.
The group stated: "And while we welcome a new manager to Old Trafford, we will pay tribute to the departing one on Thursday.
"Ole was a legendary player and he progressed the club as a manager.
"We never got to thank him properly, so we will put the 20LEGEND surfer flag out on the Stretford End."
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