Whatever the future holds for Old Trafford, Manchester United need the place to be at its rambunctious best for the visit of Atletico Madrid.
Three weeks ago, United had to run the gauntlet at the Wanda Metropolitano before coming away with a creditable 1-1 draw.
Away goals don't offer an advantage these days and no one at United is getting carried away over the possibility of reaching the last eight.
Three days after Cristiano Ronaldo lit up the Theatre of Dreams in the 3-2 win over Tottenham, interim manager Ralf Rangnick is urging fans to create another highly charged atmosphere.