Raphael Varane says Manchester United will need to find a way of bringing balance to the team as key midfielder Casemiro serves a four-match domestic ban.
Manchester United survived Casemiro's early red card and an impressive display by rock-bottom Southampton as a pulsating Old Trafford encounter ended goalless.
Erik ten Hag waxed lyrical about the winning mentality of Casemiro ahead of Manchester United's trip to bitter rivals Liverpool.
David De Gea says it will be "tough" to manage without Casemiro after the Brazilian midfielder's red card in the win over Crystal Palace on Saturday.
Manchester United were made to sweat after a red card to star midfielder Casemiro for violent conduct but survived a nerve-wracking finish to beat Crystal Palace 2-1.
Casemiro says playing for Manchester United has given him a new lease of life in his footballing career.