Nketiah is replaced by Lacazette for the final few minutes.
89'
Arsenal try to hold the ball well in the Leeds half but the visitors break and they have a corner.
Illan Meslier is coming up for it! It's not even stoppage time!
87'
Cédric Soares tries a through ball, but Nicolas Pépé is caught offside.
85'
Attempt saved.
Martin Ødegaard left footed shot from outside the box is saved in the top left corner.
83'
Foul by Pascal Struijk.
Emile Smith Rowe wins a free kick in the attacking half.
81'
Just under ten minutes left at the Emirates Stadium, Arsenal are holding the ball well. Odegaard has been showing some nice touches of the ball which delights the Gunners faithful.
Cedric's cross from the right nearly finds Smith Rowe free at the back
76'
PENALTY APPEAL! Leeds have a promising attack down the left but Harrison can't find Bate in the penalty area.
Arsenal then break and Tomiyasu feeds Xhaka down the left. The Gunners man crosses and the ball bounces onto Koch's arm but the referee says n
75'
WIDE! Almost a third for Arsenal.
Xhaka picks out Odegaard in the box and the Gunners No 8 shapes to shoot. The Norwegian drags his shot just wide of Meslier's goal.
That would have settled the tense atmosphere.
74'
Another nervy moment for Arsenal, as Cedric gives the ball away to Harrison who launches a counter attack.
The Leeds winger tries to feed Rodrigo for a one-on-one but the pass is poor and Arsenal clear.
73'
Arsenal 2-1 Leeds United
Bit of concern here for Arsenal as Martinelli is down with a bit of cramp. Thursday's north London derby clash is not one he will want to miss.
But it does give the home side a bit of extra time to eat into the clock.
70'
Foul by Mohamed Elneny.
Jack Harrison wins a free kick in the defensive half.
68'
Nicolas Pépé replaces Bukayo Saka.
66'
Goal! Arsenal 2-1 Leeds United.
Diego Llorente header from the right side of the six yard box following a corner.
62'
Attempt missed.
Gabriel Martinelli right footed shot from the centre of the box.
60'
Rodrigo replaces Raphinha.
58'
Attempt blocked.
Eddie Nketiah header from the centre of the box is blocked.
54;'
SAVE! Leeds haven't had any answers for Martinelli this afternoon.
He skips past two challenges before cutting inside onto his right foot.
He powers a shot towards the near post but Meslier dives to his right to make a smart save.
53'
Foul by Takehiro Tomiyasu.
Raphinha wins a free kick in the defensive half.
46'
Second Half begins...
H-T'
Arsenal 2-0 Leeds
45+3'
CLOSE!
Arsenal win the ball back inside the Leeds penalty area and Odegaard's cross is cleared over his own crossbar by Koch.
45+1'
Firpo gets in behind the Arsenal defence as Cedric Soares misjudges a high ball.
Arteta urges his side to get back, and in the end it is Odegaard who makes a crucial interception.
45'
Arsenal 2-0 Leeds
4' of added time...
41'
SAVE!
Xhaka tries to get on the score sheet with a long-range effort, but there's not enough power to troubles Meslier, who gets down to his left to make a comfortable save.
38'
Attempt saved.
Gabriel Martinelli left footed shot from a difficult angle on the left is saved in the centre of the goal.
34'
Mateusz Klich is shown the yellow card.
29'
Attempt missed.
Takehiro Tomiyasu header from the right side of the six yard box misses to the right following a set piece situation.
29'
Pascal Struijk replaces Joe Gelhardt.
27'
Red Card to Luke Ayling
The referee changes his decision and the red card is out of his pocket.
27'
Raphinha is shown the yellow card.
26'
Yellow Card to Luke Ayling
25'
SAVE!
Arsenal are on the attack again as Odegaard flicks the ball into the patch of Saka, who gets a strike away first time.
However, it is straight at Meslier, who makes the save.
23'
CHANCE!
Intricate stuff from Arsenal as Cedric Soares's pass over the top releases Saka.
The winger then slips the ball through for Odegaard, who cuts the ball back from the byline.
20'
CLOSE!
Raphinha cuts in off the right flank and he clips the ball to the far post.
10'
Eddie Nketiah left footed shot from the centre of the box to the centre of the goal.
5'
GOAL! Arsenal 1-0 Leeds (Nketiah, 5')
3'
Saka gets in down the right and he's fouled by Firpo as Arsenal win a free-kick in a dangerous position.
1'
First Half begins..
'
Arsenal Starting XI To Face Leeds United: Ramsdale, Tomiyasu, Holding, Gabriel, Soares, Elneny, Xhaka, Saka, Odegaard, Martinelli, Nketiah.
ARSENAL - Lineup
Illan Meslier is coming up for it! It's not even stoppage time!
Martin Ødegaard left footed shot from outside the box is saved in the top left corner.
Emile Smith Rowe wins a free kick in the attacking half.
Cedric's cross from the right nearly finds Smith Rowe free at the back
Arsenal then break and Tomiyasu feeds Xhaka down the left. The Gunners man crosses and the ball bounces onto Koch's arm but the referee says n
Xhaka picks out Odegaard in the box and the Gunners No 8 shapes to shoot. The Norwegian drags his shot just wide of Meslier's goal.
That would have settled the tense atmosphere.
The Leeds winger tries to feed Rodrigo for a one-on-one but the pass is poor and Arsenal clear.
Bit of concern here for Arsenal as Martinelli is down with a bit of cramp. Thursday's north London derby clash is not one he will want to miss.
But it does give the home side a bit of extra time to eat into the clock.
Jack Harrison wins a free kick in the defensive half.
Diego Llorente header from the right side of the six yard box following a corner.
Gabriel Martinelli right footed shot from the centre of the box.
Eddie Nketiah header from the centre of the box is blocked.
He skips past two challenges before cutting inside onto his right foot.
He powers a shot towards the near post but Meslier dives to his right to make a smart save.
Raphinha wins a free kick in the defensive half.
Arsenal win the ball back inside the Leeds penalty area and Odegaard's cross is cleared over his own crossbar by Koch.
Arteta urges his side to get back, and in the end it is Odegaard who makes a crucial interception.
4' of added time...
Xhaka tries to get on the score sheet with a long-range effort, but there's not enough power to troubles Meslier, who gets down to his left to make a comfortable save.
Gabriel Martinelli left footed shot from a difficult angle on the left is saved in the centre of the goal.
Takehiro Tomiyasu header from the right side of the six yard box misses to the right following a set piece situation.
The referee changes his decision and the red card is out of his pocket.
Arsenal are on the attack again as Odegaard flicks the ball into the patch of Saka, who gets a strike away first time.
However, it is straight at Meslier, who makes the save.
Intricate stuff from Arsenal as Cedric Soares's pass over the top releases Saka.
The winger then slips the ball through for Odegaard, who cuts the ball back from the byline.
Raphinha cuts in off the right flank and he clips the ball to the far post.
Leeds United - Lineup