Casemiro drew his fifth yellow card of the campaign after taking down Wilfried Zaha in the second half of Wednesday’s match against Crystal Palace with Manchester United ahead 1-0. Crystal Palace equalised shortly after the costly booking and the match finished level.
An irreplaceable ball-winner in the Red Devils’ midfield, Casemiro’s absence will be difficult to overcome in an already challenging fixture at the Emirates Stadium. Scott McTominay may be in line to come into the starting line-up in place of the Brazilian.
The 30-year-old will serve his suspension for the Arsenal match and then will be eligible to play against Nottingham Forest in the Carabao Cup next Wednesday.