Match ends, Luton Town 1, Manchester United 2.

Second Half ends, Luton Town 1, Manchester United 2.

Ross Barkley (Luton Town) hits the bar with a header from the centre of the box. Assisted by Luke Berry with a cross following a corner.

Corner, Luton Town. Conceded by Diogo Dalot.

Corner, Manchester United. Conceded by Albert Sambi Lokonga.

Attempt blocked. Alejandro Garnacho (Manchester United) left footed shot from the left side of the box is blocked. Assisted by Marcus Rashford.

Corner, Luton Town. Conceded by Diogo Dalot.

Corner, Luton Town. Conceded by Sofyan Amrabat.

Corner, Luton Town. Conceded by Diogo Dalot.

Attempt missed. Bruno Fernandes (Manchester United) right footed shot from the right side of the box is close, but misses to the left.

Offside, Manchester United. Raphaël Varane is caught offside.

Gabriel Osho (Luton Town) is shown the yellow card for a bad foul.

Foul by Gabriel Osho (Luton Town).

Marcus Rashford (Manchester United) wins a free kick on the right wing.

Substitution, Manchester United. Sofyan Amrabat replaces Rasmus Højlund.

Attempt missed. Chiedozie Ogbene (Luton Town) left footed shot from the right side of the box is high and wide to the left. Assisted by Andros Townsend.

Corner, Luton Town. Conceded by Scott McTominay.

Attempt blocked. Andros Townsend (Luton Town) left footed shot from outside the box is blocked. Assisted by Teden Mengi.

Substitution, Luton Town. Luke Berry replaces Alfie Doughty.

Victor Lindelöf (Manchester United) is shown the yellow card for a bad foul.

Attempt missed. Albert Sambi Lokonga (Luton Town) right footed shot from outside the box is too high. Assisted by Andros Townsend.

Offside, Luton Town. Alfie Doughty is caught offside.

Albert Sambi Lokonga (Luton Town) wins a free kick in the defensive half.

Foul by Scott McTominay (Manchester United).

Foul by Alfie Doughty (Luton Town).

Diogo Dalot (Manchester United) wins a free kick in the defensive half.

Attempt saved. Rasmus Højlund (Manchester United) left footed shot from the centre of the box is saved in the centre of the goal. Assisted by Alejandro Garnacho.

Gabriel Osho (Luton Town) wins a free kick on the left wing.

Foul by Rasmus Højlund (Manchester United).

Attempt blocked. Gabriel Osho (Luton Town) right footed shot from the centre of the box is blocked. Assisted by Carlton Morris.

Attempt missed. Carlton Morris (Luton Town) header from the centre of the box misses to the left. Assisted by Chiedozie Ogbene with a cross following a set piece situation.

Kobbie Mainoo (Manchester United) is shown the yellow card for a bad foul.

Jordan Clark (Luton Town) wins a free kick in the attacking half.

Foul by Kobbie Mainoo (Manchester United).

Andros Townsend (Luton Town) wins a free kick in the defensive half.

Foul by Jonny Evans (Manchester United).

Andros Townsend (Luton Town) wins a free kick in the defensive half.

Foul by Raphaël Varane (Manchester United).

Corner, Manchester United. Conceded by Albert Sambi Lokonga.

Attempt blocked. Alejandro Garnacho (Manchester United) left footed shot from outside the box is blocked. Assisted by Kobbie Mainoo.

Attempt saved. Bruno Fernandes (Manchester United) right footed shot from outside the box is saved in the top left corner.

Andros Townsend (Luton Town) is shown the yellow card for a bad foul.

Foul by Andros Townsend (Luton Town).

Marcus Rashford (Manchester United) wins a free kick in the attacking half.

Substitution, Luton Town. Jordan Clark replaces Tahith Chong.

Substitution, Luton Town. Andros Townsend replaces Cauley Woodrow.

Carlton Morris (Luton Town) wins a free kick in the defensive half.

Foul by Kobbie Mainoo (Manchester United).

Attempt blocked. Alejandro Garnacho (Manchester United) left footed shot from the centre of the box is blocked.

Attempt saved. Chiedozie Ogbene (Luton Town) left footed shot from outside the box is saved in the top centre of the goal.

Corner, Luton Town. Conceded by Diogo Dalot.

Attempt blocked. Tahith Chong (Luton Town) left footed shot from the centre of the box is blocked. Assisted by Ross Barkley.

Alfie Doughty (Luton Town) wins a free kick in the defensive half.

Foul by Alejandro Garnacho (Manchester United).

Attempt missed. Alejandro Garnacho (Manchester United) left footed shot from the centre of the box is too high. Assisted by Bruno Fernandes.

Ross Barkley (Luton Town) wins a free kick in the attacking half.

Foul by Bruno Fernandes (Manchester United).

Attempt saved. Alejandro Garnacho (Manchester United) right footed shot from the centre of the box is saved in the centre of the goal. Assisted by Bruno Fernandes with a cross.

Corner, Manchester United. Conceded by Teden Mengi.

Attempt blocked. Bruno Fernandes (Manchester United) right footed shot from the right side of the box is blocked. Assisted by Alejandro Garnacho with a through ball.

Attempt missed. Ross Barkley (Luton Town) left footed shot from outside the box is high and wide to the left. Assisted by Teden Mengi.

Attempt blocked. Diogo Dalot (Manchester United) right footed shot from the right side of the box is blocked. Assisted by Alejandro Garnacho.

Attempt blocked. Bruno Fernandes (Manchester United) left footed shot from the centre of the box is blocked. Assisted by Marcus Rashford.

Attempt saved. Marcus Rashford (Manchester United) left footed shot from outside the box is saved in the bottom right corner. Assisted by Rasmus Højlund.

Corner, Luton Town. Conceded by Diogo Dalot.

Attempt blocked. Tahith Chong (Luton Town) left footed shot from outside the box is blocked. Assisted by Teden Mengi.

Offside, Luton Town. Chiedozie Ogbene is caught offside.

Carlton Morris (Luton Town) wins a free kick in the defensive half.

Foul by Jonny Evans (Manchester United).

Offside, Luton Town. Cauley Woodrow is caught offside.

Attempt saved. Cauley Woodrow (Luton Town) left footed shot from outside the box is saved in the centre of the goal. Assisted by Ross Barkley.

Attempt blocked. Bruno Fernandes (Manchester United) right footed shot from outside the box is blocked. Assisted by Rasmus Højlund.

Second Half begins Luton Town 1, Manchester United 2.

Substitution, Manchester United. Scott McTominay replaces Casemiro.

Substitution, Manchester United. Jonny Evans replaces Harry Maguire.

First Half ends, Luton Town 1, Manchester United 2.

Attempt blocked. Alejandro Garnacho (Manchester United) right footed shot from the centre of the box is blocked. Assisted by Diogo Dalot.

Foul by Amari'i Bell (Luton Town).

Rasmus Højlund (Manchester United) wins a free kick in the defensive half.

Substitution, Manchester United. Victor Lindelöf replaces Luke Shaw because of an injury.

Attempt missed. Alfie Doughty (Luton Town) right footed shot from the centre of the box is close, but misses to the left. Assisted by Carlton Morris.

Delay over. They are ready to continue.

Delay in match because of an injury Marcus Rashford (Manchester United).

Attempt blocked. Alfie Doughty (Luton Town) left footed shot from outside the box is blocked.

Harry Maguire (Manchester United) is shown the yellow card for a bad foul.

Carlton Morris (Luton Town) wins a free kick in the attacking half.

Foul by Harry Maguire (Manchester United).

Ross Barkley (Luton Town) wins a free kick in the attacking half.

Foul by Casemiro (Manchester United).

Attempt blocked. Chiedozie Ogbene (Luton Town) right footed shot from outside the box is blocked. Assisted by Albert Sambi Lokonga.

Carlton Morris (Luton Town) wins a free kick in the defensive half.

Foul by Harry Maguire (Manchester United).

Attempt missed. Carlton Morris (Luton Town) left footed shot from outside the box misses to the right.

Offside, Luton Town. Tahith Chong is caught offside.

Casemiro (Manchester United) is shown the yellow card for a bad foul.

Amari'i Bell (Luton Town) wins a free kick in the attacking half.

Foul by Casemiro (Manchester United).

Carlton Morris (Luton Town) wins a free kick in the defensive half.

Foul by Casemiro (Manchester United).

Carlton Morris (Luton Town) wins a free kick in the defensive half.

Foul by Harry Maguire (Manchester United).

Attempt missed. Gabriel Osho (Luton Town) header from the centre of the box is high and wide to the left. Assisted by Alfie Doughty with a cross following a corner.

Corner, Luton Town. Conceded by Raphaël Varane.

Attempt blocked. Cauley Woodrow (Luton Town) left footed shot from the centre of the box is blocked. Assisted by Ross Barkley.

Foul by Cauley Woodrow (Luton Town).

Harry Maguire (Manchester United) wins a free kick in the defensive half.

Albert Sambi Lokonga (Luton Town) wins a free kick in the defensive half.

Foul by Alejandro Garnacho (Manchester United).

Hand ball by Diogo Dalot (Manchester United).

Attempt missed. Carlton Morris (Luton Town) header from the centre of the box misses to the right. Assisted by Alfie Doughty with a cross.

Tahith Chong (Luton Town) wins a free kick in the defensive half.

Foul by Kobbie Mainoo (Manchester United).

Attempt missed. Gabriel Osho (Luton Town) header from the centre of the box misses to the left. Assisted by Ross Barkley with a cross following a set piece situation.

Luke Shaw (Manchester United) is shown the yellow card for a bad foul.

Chiedozie Ogbene (Luton Town) wins a free kick on the right wing.

Foul by Luke Shaw (Manchester United).

Chiedozie Ogbene (Luton Town) wins a free kick in the defensive half.

Foul by Marcus Rashford (Manchester United).

Cauley Woodrow (Luton Town) is shown the yellow card.

Foul by Amari'i Bell (Luton Town).

Rasmus Højlund (Manchester United) wins a free kick in the defensive half.

Cauley Woodrow (Luton Town) wins a free kick on the right wing.

Foul by Harry Maguire (Manchester United).

Goal! Luton Town 1, Manchester United 2. Carlton Morris (Luton Town) header from very close range to the centre of the goal.

Attempt blocked. Tahith Chong (Luton Town) right footed shot from the left side of the box is blocked. Assisted by Alfie Doughty with a cross.

Attempt saved. Alejandro Garnacho (Manchester United) left footed shot from outside the box is saved in the centre of the goal. Assisted by Kobbie Mainoo.

Attempt missed. Casemiro (Manchester United) right footed shot from more than 35 yards misses to the left from a direct free kick.

Foul by Amari'i Bell (Luton Town).

Alejandro Garnacho (Manchester United) wins a free kick in the defensive half.

Attempt saved. Chiedozie Ogbene (Luton Town) right footed shot from the centre of the box is saved in the centre of the goal. Assisted by Albert Sambi Lokonga with a through ball.

Attempt missed. Marcus Rashford (Manchester United) right footed shot from outside the box is close, but misses to the right. Assisted by Harry Maguire following a fast break.

Goal! Luton Town 0, Manchester United 2. Rasmus Højlund (Manchester United) with an attempt from the right side of the six yard box to the bottom left corner. Assisted by Alejandro Garnacho following a corner.

Attempt missed. Alejandro Garnacho (Manchester United) right footed shot from the centre of the box is close, but misses to the right following a corner.

Corner, Manchester United. Conceded by Gabriel Osho.

Corner, Manchester United. Conceded by Amari'i Bell.

Attempt saved. Marcus Rashford (Manchester United) right footed shot from outside the box is saved in the centre of the goal. Assisted by Alejandro Garnacho.

Corner, Manchester United. Conceded by Amari'i Bell.

Goal! Luton Town 0, Manchester United 1. Rasmus Højlund (Manchester United) left footed shot from the centre of the box to the bottom left corner.

First Half begins.

Lineups are announced and players are warming up.