New attacking attempt. Muhamed Besic - Sheffield United - shot with left foot from outside the box is saved in the right corner.
George Baldock - Sheffield United - won a free kick on the right wing.
Fouled by Granit Xhaka - Arsenal
Shot blocked. Oliver McBurnie - Sheffield United - shot with left foot from the centre of the box is blocked. Assist - Callum Robinson with a cross.
New attacking attempt. Shkodran Mustafi - Arsenal - shot with the head from the centre of the box is saved in the right corner. Assist - Mesut Özil with a cross.
Granit Xhaka - Arsenal - receive yellow card for a foul.
Corner - Arsenal. Conceded by John Egan.
Shot blocked. John Fleck - Sheffield United - shot with left foot from the centre of the box is blocked.
Second Half ended - Arsenal 1, Sheffield United 1.
Hand ball by Bukayo Saka - Arsenal
Fouled by John Egan - Sheffield United
Lucas Torreira - Arsenal - won a free kick in defence.
Oliver McBurnie - Sheffield United - won a free kick on the right wing.
Fouled by David Luiz - Arsenal
Goal! Arsenal 1, Sheffield United 1. John Fleck - Sheffield United - shot with left foot from the left side of the box to the top right corner.
New attacking attempt. Oliver McBurnie - Sheffield United - shot with the head from the centre of the box is saved in the top centre of the goal. Assist - Oliver Norwood with a cross.
Corner - Sheffield United. Conceded by Shkodran Mustafi.
Shot blocked. Nicolas Pépé - Arsenal - shot with left foot from the right side of the box is blocked. Assist - Eddie Nketiah.
Missed chance. Eddie Nketiah - Arsenal - shot with right foot from the right side of the box is high and wide to the right.
Substitution - Sheffield United. Muhamed Besic for Chris Basham.
SUBSTITUTION: Muhamed Besic COMES ON FOR Chris Basham
Offside - Arsenal. David Luiz with a pass, however Bukayo Saka is in offside.
Substitution - Arsenal. Eddie Nketiah for Alexandre Lacazette.
SUBSTITUTION: E. Nketiah COMES ON FOR Alexandre Lacazette
Missed chance. Alexandre Lacazette - Arsenal - shot with right foot from outside the box goes high from a free kick.
Fouled by Callum Robinson - Sheffield United
Lucas Torreira - Arsenal - won a free kick in attack.
Missed chance. Chris Basham - Sheffield United - shot with right foot from the right side of the box missed to the left.
VAR Decision: No Penalty Arsenal.
Fouled by Gabriel Martinelli - Arsenal
Substitution - Sheffield United. Callum Robinson for John Lundstram.
SUBSTITUTION: Callum Robinson COMES ON FOR John Lundstram
Chris Basham - Sheffield United - won a free kick in defence.
Missed chance. John Lundstram - Sheffield United - shot with right foot from the centre of the box is high and wide to the right after corner.
John Egan - Sheffield United - won a free kick in defence.
Fouled by Alexandre Lacazette - Arsenal
Hand ball by Enda Stevens - Sheffield United
Fouled by Shkodran Mustafi - Arsenal
Billy Sharp - Sheffield United - won a free kick in defence.
Substitution - Sheffield United. Billy Sharp for Lys Mousset.
SUBSTITUTION: Billy Sharp COMES ON FOR Lys Mousset
Shot blocked. Oliver McBurnie - Sheffield United - shot with the head from few metres is blocked. Assist - John Fleck with a cross.
Corner - Sheffield United. Conceded by Gabriel Martinelli.
Shot blocked. Nicolas Pépé - Arsenal - shot with left foot from outside the box is blocked. Assist - Alexandre Lacazette.
Bukayo Saka - Arsenal - won a free kick on the left wing.
Missed chance. David Luiz - Arsenal - shot with right foot from outside the box is high and wide to the right. Assist - Mesut Özil .
George Baldock - Sheffield United - receive yellow card for a foul.
Bukayo Saka - Arsenal - won a free kick in defence.
Fouled by George Baldock - Sheffield United
Alexandre Lacazette - Arsenal - won a free kick in attack.
Goal! Arsenal 1, Sheffield United 0. Gabriel Martinelli - Arsenal - shot with right foot from few metres to the centre of the goal.
GOAL! Gabriel Martinelli!
First Half ended - Arsenal 1, Sheffield United 0.
Second Half starts Arsenal 1, Sheffield United 0.
Hand ball by Lys Mousset - Sheffield United
Fouled by Lys Mousset - Sheffield United
Missed chance. Jack O Connell - Sheffield United - shot with left foot from outside the box is high and wide to the right. Assist - Enda Stevens.
New attacking attempt. Lucas Torreira - Arsenal - shot with right foot from outside the box is saved by goalkeeper in the centre of the goal. Assist - Mesut Özil.
Nicolas Pépé - Arsenal - won a free kick on the right wing.
Fouled by Enda Stevens - Sheffield United
Missed chance. Oliver Norwood - Sheffield United - shot with right foot from outside the box is high and wide to the right.
Hand ball by George Baldock - Sheffield United
Offside - Arsenal. Shkodran Mustafi with a pass, however Gabriel Martinelli is in offside.
Corner - Arsenal. Conceded by Oliver Norwood.
Missed chance. Gabriel Martinelli - Arsenal - shot with right foot from the centre of the box is close, but missed. Assist - Nicolas Pépé.
David Luiz - Arsenal - won a free kick in defence.
Fouled by Mesut Özil - Arsenal
Missed chance. Gabriel Martinelli - Arsenal - shot with left foot from the left side of the box missed. Assist - Nicolas Pépé with a cross.
Missed chance. Lys Mousset - Sheffield United - shot with the head from the centre of the box is very close to the goal. Assist - Jack O Connell with a head after corner.
Corner - Sheffield United. Conceded by David Luiz.
Missed chance. Lys Mousset - Sheffield United - shot with the head from the centre of the box goes high. Assist - Enda Stevens with a cross.
Offside - Arsenal. Granit Xhaka with a pass, however Gabriel Martinelli is in offside.
Corner - Sheffield United. Conceded by Lucas Torreira.
Alexandre Lacazette - Arsenal - won a free kick in defence.
New attacking attempt. Nicolas Pépé - Arsenal - shot with left foot from the right side of the box is saved in the right corner. Assist - Mesut Özil.
Fouled by Oliver Norwood - Sheffield United
Oliver Norwood - Sheffield United - receive yellow card for a foul.
Thats all. Game finished - Arsenal 1, Sheffield United 1.
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium