Eddie Nketiah - Arsenal - won a free kick in defence.
Fouled by Ethan Ampadu - Sheffield United
Lys Mousset - Sheffield United - won a free kick in attack.
Fouled by Rob Holding - Arsenal
SUBSTITUTION: E. Nketiah COMES ON FOR A. Lacazette
Fouled by Eddie Nketiah - Arsenal
Enda Stevens - Sheffield United - won a free kick in defence.
Substitution - Arsenal. Eddie Nketiah for Alexandre Lacazette.
Missed chance. Lys Mousset - Sheffield United - shot with right foot from the centre of the box missed. Assist - Enda Stevens.
Goal! Sheffield United 0, Arsenal 3. Alexandre Lacazette - Arsenal - shot with right foot from the centre of the box to the left corner. Assist - Thomas Partey with a through ball.
Substitution - Arsenal. Mohamed Elneny for Gabriel Martinelli.
SUBSTITUTION: L. Mousset COMES ON FOR O. McBurnie
Substitution - Sheffield United. Lys Mousset for Oliver McBurnie - injury.
SUBSTITUTION: M. Elneny COMES ON FOR Martinelli
Offside - Sheffield United. Ben Osborn with a pass, however George Baldock is in offside.
Pablo Marí - Arsenal - receive yellow card for a foul.
Shot blocked. Rhian Brewster - Sheffield United - shot with right foot from outside the box is blocked. Assist - John Fleck.
Shot blocked. Willian - Arsenal - shot with right foot from a diffucult position and long distance on the left is blocked.
Alexandre Lacazette - Arsenal - won a free kick on the left wing.
Fouled by Ethan Ampadu - Sheffield United
Fouled by John Fleck - Sheffield United
Oliver McBurnie - Sheffield United - won a free kick in attack.
Nicolas Pépé - Arsenal - won a free kick in defence.
Fouled by Gabriel Martinelli - Arsenal
Nicolas Pépé - Arsenal - won a free kick in defence.
Goal! Sheffield United 0, Arsenal 2. Gabriel Martinelli - Arsenal - shot with left foot from few metres to the centre of the goal.
New attacking attempt. Nicolas Pépé - Arsenal - shot with left foot from the centre of the box is saved in the left corner.
Fouled by Enda Stevens - Sheffield United
SUBSTITUTION: Willian COMES ON FOR B. Saka
Substitution - Arsenal. Willian for Bukayo Saka - injury.
SUBSTITUTION: R. Brewster COMES ON FOR D. McGoldrick
Substitution - Sheffield United. Rhian Brewster for Oliver Burke.
Substitution - Sheffield United. Oliver McBurnie for David McGoldrick.
SUBSTITUTION: O. McBurnie COMES ON FOR O. Burke
Shot blocked. Nicolas Pépé - Arsenal - shot with left foot from outside the box is blocked. Assist - Bukayo Saka.
Offside - Arsenal. Gabriel Martinelli with a pass, however Bukayo Saka is in offside.
Shot blocked. David McGoldrick - Sheffield United - shot with right foot from the left side of the box is blocked. Assist - Enda Stevens.
Fouled by Bukayo Saka - Arsenal
George Baldock - Sheffield United - won a free kick in defence.
Missed chance. Alexandre Lacazette - Arsenal - shot with right foot from outside the box is high and wide to the right. Assist - Nicolas Pépé.
Dani Ceballos - Arsenal - won a free kick on the left wing.
Fouled by John Lundstram - Sheffield United
Fouled by Oliver Norwood - Sheffield United
Alexandre Lacazette - Arsenal - won a free kick in defence.
Fouled by Enda Stevens - Sheffield United
Bukayo Saka - Arsenal - won a free kick on the right wing.
New attacking attempt. John Egan - Sheffield United - shot with the head from the centre of the box is saved in the top left corner. Assist - Oliver Norwood with a cross.
Shot blocked. David McGoldrick - Sheffield United - shot with right foot from outside the box is blocked.
Corner - Sheffield United. Conceded by Granit Xhaka.
Second Half starts Sheffield United 0, Arsenal 1.
First Half ended - Sheffield United 0, Arsenal 1.
Corner - Arsenal. Conceded by Oliver Norwood.
VAR Decision: No Penalty Arsenal.
New attacking attempt. John Egan - Sheffield United - shot with left foot from the right side of the box is saved in the right corner.
Corner - Sheffield United. Conceded by Rob Holding.
Shot blocked. Alexandre Lacazette - Arsenal - shot with right foot from outside the box is blocked. Assist - Dani Ceballos.
Shot blocked. Gabriel Martinelli - Arsenal - shot with left foot from the centre of the box is blocked.
Corner - Arsenal. Conceded by David McGoldrick.
Corner - Arsenal. Conceded by Ben Osborn.
Goal! Sheffield United 0, Arsenal 1. Alexandre Lacazette - Arsenal - shot with right foot from the centre of the box to the right corner. Assist - Dani Ceballos.
Shot blocked. Calum Chambers - Arsenal - shot with right foot from the right side of the box is blocked.
New attacking attempt. Gabriel Martinelli - Arsenal - shot with right foot from outside the box is saved by goalkeeper in the centre of the goal. Assist - Bukayo Saka.
Hand ball by Bukayo Saka - Arsenal
Granit Xhaka - Arsenal - won a free kick in defence.
Fouled by David McGoldrick - Sheffield United
Missed chance. Gabriel Martinelli - Arsenal - shot with left foot from the left side of the box is close, but missed to the left. Assist - Alexandre Lacazette following a fast break.
Ben Osborn - Sheffield United - won a free kick in defence.
Fouled by Nicolas Pépé - Arsenal
Shot blocked. Thomas Partey - Arsenal - shot with right foot from outside the box is blocked. Assist - Nicolas Pépé.
Corner - Arsenal. Conceded by Ethan Ampadu.
Offside - Sheffield United. John Fleck with a pass, however David McGoldrick is in offside.
Missed chance. David McGoldrick - Sheffield United - shot with left foot from the centre of the box is close, but missed. Assist - Ben Osborn.
Offside - Arsenal. Rob Holding with a pass, however Nicolas Pépé is in offside.
Offside - Arsenal. Calum Chambers with a pass, however Nicolas Pépé is in offside.
Fouled by Ben Osborn - Sheffield United
Nicolas Pépé - Arsenal - won a free kick on the right wing.
Missed chance. Bukayo Saka - Arsenal - shot with left foot from the left side of the box is close, but misses the top left corner. Assist - Gabriel Martinelli.
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium