Dani Ceballos tries a through ball, but Bukayo Saka is caught offside.
85'
Chiquinho replaces Lucas Verissimo because of an injury.
85'
Granit Xhaka tries a through ball, but Kieran Tierney is caught offside.
80'
Foul by Haris Seferovic.
Gabriel Magalhães wins a free kick in the defensive half.
77'
Gabriel Pires replaces Adel Taarabt.
73'
Attempt missed.
Everton right footed shot from the left side of the box is close, but misses the top right corner.
67'
Haris Seferovic replaces Darwin Núñez.
64'
Everton replaces Pizzi.
64'
Kieran Tierney replaces Cédric Soares.
63'
Attempt missed.
Pierre-Emerick Aubameyang left footed shot from the right side of the box.
57'
GOAL: BENFICA 1-1 ARSENAL (SAKA)
55'
GOAL: BENFICA 1-0 ARSENAL (PIZZI)
50'
Arsenal appear to have a clear-cut chance as Smith Rowe is found in the penalty area but his effort on the half-volley is saved by Helton in the Benfica goal.
48'
SAVE!
Pizzi receives the ball just inside the Arsenal box on the right and turns neatly before going for the bottom-left corner, but he doesn't catch it with any power and it's a comfortable save for Leno.
46'
Rafa replaces Waldschmidt.
46'
Second Half begins..
H-T'
BENFICA 0-0 ARSENAL
44'
WIDE!
Odegaard lofts a corner to the back post where Gabriel meets it and nods down towards the bottom-right corner, but it's a fraction wide of the post!
39'
BLOCK!
Arsenal work it sharply down the right and Bellerin crosses towards the near post where Vertonghen slides in to block it, but Smith Rowe is sharply onto the rebound and the defender has to block his follow-up behind for a corner!
35'
Gabriel tries to send Aubameyang away down the left, but the flag belatedly goes up for offside to deny him. That's the sixth time an Arsenal player has been flagged up for offside so far.
30'
Goncalves tries to whip it across goal but Cedric does well to block the danger.
27'
SAVE! Saka cuts in onto his left foot just outside the box before curling towards the far corner, but Leite gets his body behind it and makes the save!
23'
Long ball over the top arrives in the Arsenal box but David Luiz uses his body to shield it from Nunez, allowing Gabriel to sweep in and clear the ball to safety.
19'
Arsenal slice open Benfica and Bellerin has the simple task of slotting across to Aubameyang to tap home.
Aubameyang somehow misses from a few yards out with the Benfica goalkeeper absolutely scrambling.
13'
Waldschmidt is presented with a half-chance just inside the Arsenal box and he snatches at the shot, seeing it take a deflection and spin well wide of the target.
9'
Saka is caught marginally offside from a David Luiz pass down the right and then Xhaka's attempted ball is just cut out by Vertonghen
5'
Bellerin drives to the byline and tries to fire a low ball in, but it's diverted behind by Vertonghen.
2'
Aubameyang thinks he gets in behind the Benfica defence down the left but he is later ruled offside.
1'
First Half begins..
'
Arsenal Starting XI To Face Benfica: Leno; Bellerín, Luiz, Gabriel, Cedric; Ceballos; Xhaka; Saka, Ødegaard, Smith Rowe; Aubameyang.
Benfica - Lineup
Gabriel Magalhães wins a free kick in the defensive half.
Everton right footed shot from the left side of the box is close, but misses the top right corner.
Pierre-Emerick Aubameyang left footed shot from the right side of the box.
Pizzi receives the ball just inside the Arsenal box on the right and turns neatly before going for the bottom-left corner, but he doesn't catch it with any power and it's a comfortable save for Leno.
Odegaard lofts a corner to the back post where Gabriel meets it and nods down towards the bottom-right corner, but it's a fraction wide of the post!
Arsenal work it sharply down the right and Bellerin crosses towards the near post where Vertonghen slides in to block it, but Smith Rowe is sharply onto the rebound and the defender has to block his follow-up behind for a corner!
Aubameyang somehow misses from a few yards out with the Benfica goalkeeper absolutely scrambling.
ARSENAL - Lineup