Liverpool manager Brendan Rodgers said: "There has been dialogue all week. There is respect in terms of the traditions of both clubs.We want this day to be remembered for the right reasons before the game, and the footballing reasons.
"We want this day to be remembered for the right reasons before the game, and the footballing reasons. A lot of work has been done and hopefully Sunday will pass off peacefully and well and we can talk about the tributes and football.
"It is an emotionally-charged game. I wouldn't sit here and tell Liverpool supporters how to behave. I know how they have behaved over many years has been fantastic.
"These are well-educated supporters who value humanity. I have no issues or no problems there, the message has been clear, and from Sir Alex as well, in relation to his supporters. I am sure once we pay the tributes to the families we can get on with the football."
More top news
TV favourite Cilla Black, who has died aged 72, gave viewers a "lorra, lorra laughs" during her long career.
Some rain in the north. Very warm sunshine in the south
Blind Date and Surprise Surprise star Cilla Black,72, has died, according to reports.