Foul by Matteo Guendouzi (Arsenal).
Matteo Guendouzi (Arsenal) is shown the yellow card for a bad foul.
Paul Pogba (Manchester United) wins a free kick on the left wing.
Ainsley Maitland-Niles (Arsenal) wins a free kick in the defensive half.
Match ends, Arsenal 1, Manchester United 3.
Foul by Paul Pogba (Manchester United).
Marcus Rashford (Manchester United) wins a free kick on the right wing.
Foul by Granit Xhaka (Arsenal).
Attempt missed. Marcus Rashford (Manchester United) right footed shot from outside the box is just a bit too high. Assisted by Luke Shaw.
Offside, Manchester United. Ashley Young tries a through ball, but Marcus Rashford is caught offside.
Luke Shaw (Manchester United) wins a free kick in the defensive half.
Foul by Alexandre Lacazette (Arsenal).
BOOKING: Mattéo Guendouzi
Second Half ends, Arsenal 1, Manchester United 3.
Substitution, Manchester United. Phil Jones replaces Jesse Lingard.
SUBSTITUTION: P. Jones COMES ON FOR Jesse Lingard
Hand ball by Ander Herrera (Manchester United).
Marcus Rashford (Manchester United) is shown the yellow card.
Sead Kolasinac (Arsenal) is shown the yellow card.
Attempt saved. Paul Pogba (Manchester United) right footed shot from outside the box is saved in the centre of the goal.
Goal! Arsenal 1, Manchester United 3. Anthony Martial (Manchester United) right footed shot from the left side of the box to the centre of the goal following a fast break.
Attempt blocked. Alexandre Lacazette (Arsenal) right footed shot from the centre of the box is blocked.
Offside, Arsenal. Alexandre Lacazette tries a through ball, but Mesut Özil is caught offside.
Offside, Manchester United. Paul Pogba tries a through ball, but Marcus Rashford is caught offside.
Jesse Lingard (Manchester United) is shown the yellow card.
Foul by Jesse Lingard (Manchester United).
Lucas Torreira (Arsenal) wins a free kick in the defensive half.
Nemanja Matic (Manchester United) wins a free kick in the attacking half.
Corner, Manchester United. Conceded by Matteo Guendouzi.
Attempt missed. Granit Xhaka (Arsenal) left footed shot from outside the box is high and wide to the left.
Attempt saved. Alexandre Lacazette (Arsenal) right footed shot from the centre of the box is saved in the bottom right corner. Assisted by Ainsley Maitland-Niles.
SUBSTITUTION: Marcus Rashford COMES ON FOR Romelu Lukaku
Substitution, Manchester United. Anthony Martial replaces Alexis Sánchez.
Substitution, Manchester United. Marcus Rashford replaces Romelu Lukaku.
SUBSTITUTION: Anthony Martial COMES ON FOR A. Sánchez
Foul by Ander Herrera (Manchester United).
Aaron Ramsey (Arsenal) wins a free kick in the defensive half.
Foul by Nemanja Matic (Manchester United).
Lucas Torreira (Arsenal) wins a free kick in the attacking half.
Hand ball by Ashley Young (Manchester United).
Ashley Young (Manchester United) is shown the yellow card for hand ball.
Attempt missed. Aaron Ramsey (Arsenal) right footed shot from outside the box is high and wide to the right. Assisted by Pierre-Emerick Aubameyang.
SUBSTITUTION: M. Özil COMES ON FOR Alex Iwobi
Substitution, Arsenal. Mesut Özil replaces Alex Iwobi.
SUBSTITUTION: Mattéo Guendouzi COMES ON FOR Laurent Koscielny
Substitution, Arsenal. Matteo Guendouzi replaces Laurent Koscielny because of an injury.
Delay over. They are ready to continue.
Delay in match Laurent Koscielny (Arsenal) because of an injury.
Attempt missed. Romelu Lukaku (Manchester United) left footed shot from outside the box is too high from a direct free kick.
Laurent Koscielny (Arsenal) is shown the yellow card for a bad foul.
Paul Pogba (Manchester United) wins a free kick in the attacking half.
Foul by Laurent Koscielny (Arsenal).
BOOKING: Laurent Koscielny
Offside, Manchester United. Ashley Young tries a through ball, but Nemanja Matic is caught offside.
Jesse Lingard (Manchester United) wins a free kick in the attacking half.
Attempt blocked. Alex Iwobi (Arsenal) right footed shot from outside the box is blocked. Assisted by Pierre-Emerick Aubameyang.
Attempt saved. Aaron Ramsey (Arsenal) header from very close range is saved in the top right corner. Assisted by Ainsley Maitland-Niles.
Corner, Arsenal. Conceded by Sergio Romero.
Second Half begins Arsenal 1, Manchester United 2.
Attempt missed. Shkodran Mustafi (Arsenal) header from the centre of the box is close, but misses to the left. Assisted by Alexandre Lacazette with a cross following a corner.
Corner, Arsenal. Conceded by Luke Shaw.
Attempt saved. Alexandre Lacazette (Arsenal) right footed shot from the right side of the box is saved in the top centre of the goal. Assisted by Ainsley Maitland-Niles.
First Half ends, Arsenal 1, Manchester United 2.
Corner, Arsenal. Conceded by Ashley Young.
Eric Bailly (Manchester United) wins a free kick in the defensive half.
Attempt missed. Alexandre Lacazette (Arsenal) right footed shot from very close range misses to the right. Assisted by Aaron Ramsey.
Goal! Arsenal 1, Manchester United 2. Pierre-Emerick Aubameyang (Arsenal) left footed shot from the right side of the six yard box to the bottom right corner. Assisted by Alexandre Lacazette.
GOAL! Pierre-Emerick Aubameyang!
Ashley Young (Manchester United) wins a free kick in the defensive half.
Foul by Aaron Ramsey (Arsenal).
Corner, Arsenal. Conceded by Nemanja Matic.
Attempt blocked. Aaron Ramsey (Arsenal) right footed shot from outside the box is blocked. Assisted by Granit Xhaka.
Attempt missed. Jesse Lingard (Manchester United) left footed shot from the left side of the box is too high. Assisted by Alexis Sánchez.
Goal! Arsenal 0, Manchester United 2. Jesse Lingard (Manchester United) right footed shot from the centre of the box to the bottom right corner. Assisted by Romelu Lukaku following a fast break.
Goal! Arsenal 0, Manchester United 1. Alexis Sánchez (Manchester United) right footed shot from a difficult angle on the right to the centre of the goal. Assisted by Romelu Lukaku with a through ball.
Attempt blocked. Ander Herrera (Manchester United) right footed shot from outside the box is blocked. Assisted by Jesse Lingard.
Foul by Shkodran Mustafi (Arsenal).
Ander Herrera (Manchester United) wins a free kick in the defensive half.
Corner, Manchester United. Conceded by Lucas Torreira.
Attempt saved. Alex Iwobi (Arsenal) left footed shot from the left side of the box is saved in the centre of the goal. Assisted by Alexandre Lacazette.
Offside, Manchester United. Ashley Young tries a through ball, but Romelu Lukaku is caught offside.
Substitution, Arsenal. Shkodran Mustafi replaces Sokratis because of an injury.
SUBSTITUTION: Nurgzay Khayrulin COMES ON FOR Sokratis Papastathopoulos
Delay in match Sokratis (Arsenal) because of an injury.
Offside, Manchester United. Eric Bailly tries a through ball, but Jesse Lingard is caught offside.
Pierre-Emerick Aubameyang (Arsenal) wins a free kick on the right wing.
Foul by Pierre-Emerick Aubameyang (Arsenal).
Attempt blocked. Pierre-Emerick Aubameyang (Arsenal) right footed shot from the left side of the six yard box is blocked. Assisted by Sead Kolasinac.
Offside, Manchester United. Luke Shaw tries a through ball, but Alexis Sánchez is caught offside.
Corner, Manchester United. Conceded by Ainsley Maitland-Niles.
Alexandre Lacazette (Arsenal) wins a free kick in the defensive half.
Lineups are announced and players are warming up.
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium