120'
Marko Grujic (Porto) scores!
120'
A devastated Wenderson Galeno (Porto) misses and walks back to his team mates.
120'
Martin Odegaard (Arsenal) converts his penalty!
120'
Pepe Aquino (Porto) scores from the penalty spot.
120'
Declan Rice (Arsenal) converts his penalty!
120'
Kai Havertz (Arsenal) succeeds from the penalty spot.
120'
Wendell (Porto) misses his penalty attempt!
120'
Bukayo Saka (Arsenal) scores!
120'
Free kick for Porto in their own half.
120'
120'
Clement Turpin signals a free kick to Arsenal.
120'
120'
119'
Throw-in for Porto in the half of Arsenal.
118'
Ball safe as Porto is awarded a throw-in in their half.
117'
Arsenal awarded a free kick in their own half.
116'
Free kick for Porto in their own half.
116'
Kai Havertz (Arsenal) gets a yellow card.
115'
Clement Turpin signals a free kick to Arsenal in their own half.
114'
Free kick for Porto in the half of Arsenal.
113'
Throw-in for Porto in their own half.
113'
Free kick for Arsenal in their own half.
112'
Clement Turpin signals a free kick to Porto in their own half.
111'
Throw-in for Arsenal close to the penalty box.
110'
A throw-in for the home team on the opposite half.
109'
Ball goes out of play for a Arsenal goal kick.
108'
Corner awarded to Porto.
106'
Mikel Arteta (Arsenal) is making a second substitution, with Oleksandr Zinchenko replacing Jakub Kiwior.
106'
The home team have replaced Leandro Trossard with Edward Nketiah. This is the third substitution made today by Mikel Arteta.
106'
Clement Turpin awards Porto a goal kick.
105'
Can Porto get the ball into an attacking position from this throw-in in Arsenal's half?
105'
105'
105'
Porto to take a throw-in in Arsenal territory.
105'
105'
Throw-in for Porto in their own half.
105'
Arsenal have a goal kick.
102'
Sergio Conceicao (Porto) is making a fifth substitution, with Goncalo Borges replacing Chico Conceicao.
102'
It's a goal kick for the home team in London.
101'
In London Porto attack through Mehdi Taremi. The finish is off target, however.
101'
Stephen Eustaquio is replacing Nicolas Gonzalez for the away team.
101'
Goal kick for Arsenal at Emirates Stadium.
100'
Throw-in high up the field for Arsenal in London.
99'
Clement Turpin signals a free kick to Arsenal.
98'
Throw-in for Porto at Emirates Stadium.
98'
Ball goes out of play for a Porto goal kick.
97'
Arsenal have been awarded a corner by Clement Turpin.
97'
Arsenal have a dangerous throw-in.
96'
Clement Turpin signals a Arsenal throw-in in Porto's half.
94'
Clement Turpin awards the home team a throw-in.
94'
In London a free kick has been awarded the home team.
94'
Can Arsenal capitalize from this dangerous free kick?
92'
Throw-in high up the field for Arsenal in London.
92'
Clement Turpin signals a throw-in for Arsenal, close to Porto's area.
92'
Goal kick for Porto at Emirates Stadium.
90'
Sergio Conceicao is making the team's third substitution at Emirates Stadium with Marko Grujic replacing Alan Varela.
90'
90'
90'
In London, Porto push forward quickly but are pulled up for offside.
90'
Throw-in for Porto in the half of Arsenal.
90'
Arsenal have been awarded a corner by Clement Turpin.
90'
90'
Clement Turpin awards Porto a goal kick.
89'
Arsenal awarded a free kick in their own half.
89'
Porto awarded a free kick in their own half.
87'
Corner awarded to Arsenal.
87'
Can Porto get the ball into an attacking position from this throw-in in Arsenal's half?
86'
Jorge Sanchez is replacing Joao Mario for Porto at Emirates Stadium.
86'
Porto make their second substitution with Mehdi Taremi replacing Evanilson.
85'
Arsenal are pushing forward but Martin Odegaard's finish is wide of the goal.
85'
It's a goal kick for the away team in London.
84'
Arsenal drives forward and Gabriel Jesus gets in a shot. Without netting, however.
84'
Arsenal have been awarded a corner by Clement Turpin.
84'
Porto have a goal kick.
83'
Clement Turpin signals a Arsenal throw-in in Porto's half.
83'
The home team have replaced Jorginho with Gabriel Jesus. This is the first substitution made today by Mikel Arteta.
82'
Free kick for Arsenal in their own half.
82'
Clement Turpin signals a free kick to Porto in their own half.
82'
A throw-in for the away team on the opposite half.
81'
Arsenal drive forward at breakneck speed but are pulled up for offside.
80'
Arsenal awarded a free kick in their own half.
80'
Clement Turpin awards Arsenal a goal kick.
79'
Free kick Arsenal.
79'
Clement Turpin signals a free kick to Porto in their own half.
78'
Clement Turpin signals a free kick to Arsenal.
77'
Gabriel Magalhaes is back on his feet again.
76'
Arsenal awarded a throw-in in their own half.
76'
Free kick Porto.
75'
The match at Emirates Stadium has been interrupted briefly for a check on Gabriel Magalhaes, who is down injured.
74'
Arsenal attack but William Saliba's header doesn't find the target.
74'
Goal kick for Porto at Emirates Stadium.
73'
Free kick for Arsenal in the half of Porto.
73'
Pepe is booked for the away team.
72'
Free kick for Porto in their own half.
70'
Porto are too eager and fall into an offside trap.
69'
Porto to take a throw-in in Arsenal territory.
69'
Ball safe as Arsenal is awarded a throw-in in their half.
68'
Free kick for Porto in their own half.
67'
Arsenal awarded a throw-in in their own half.
67'
66'
Can Arsenal capitalize from this throw-in deep inside Porto's half?
66'
Porto awarded a free kick in their own half.
64'
Porto are coming forward and Chico Conceicao gets in a strike, it misses the target, however.
64'
It's a goal kick for the home team in London.
63'
Clement Turpin signals a free kick to Porto just outside Arsenal's area.
61'
Arsenal advance rapidly upfield but Clement Turpin blows for offside.
61'
Clement Turpin signals a free kick to Arsenal in their own half.
60'
Porto needs to be cautious. Arsenal have an attacking throw-in.
60'
Throw-in for Arsenal close to the penalty box.
59'
Corner awarded to Arsenal.
59'
Clement Turpin signals a Arsenal throw-in in Porto's half.
59'
A throw-in for the home team on the opposite half.
58'
Can Arsenal get the ball into an attacking position from this throw-in in Porto's half?
57'
Corner awarded to Arsenal.
56'
Throw-in for Arsenal close to the penalty box.
55'
In London a free kick has been awarded the away team.
54'
Clement Turpin signals a free kick to Arsenal.
53'
Ball goes out of play for a Porto goal kick.
52'
Porto needs to be cautious. Arsenal have an attacking throw-in.
51'
Arsenal have a goal kick.
50'
Evanilson returns to the field for Porto after picking up a slight injury.
50'
It's a goal kick for the away team in London.
49'
Attention is being given to Porto’s Evanilson and play has been suspended briefly.
48'
Free kick Arsenal.
48'
Evanilson of Porto gets in a strike, but is off target.
48'
Goal kick for Arsenal at Emirates Stadium.
46'
Clement Turpin awards the away team a throw-in.
45'
45'
45'
The first-half is over.
45'
Arsenal awarded a free kick in their own half.
45'
45'
Throw-in for Porto in their own half.
45'
Porto have a dangerous throw-in.
44'
Free kick for Porto in their own half.
43'
Clement Turpin awards Arsenal a goal kick.
41'
41'
Goal! Leandro Trossard gives Arsenal a 1-0 lead in London.
Martin Odegaard with an assist there.
39'
At Emirates Stadium, William Saliba has been yellow-carded for the home team.
38'
Throw-in for Porto at Emirates Stadium.
38'
Ball safe as Arsenal is awarded a throw-in in their half.
37'
Throw-in for Porto in the half of Arsenal.
36'
Porto awarded a throw-in in their own half.
35'
Porto are caught offside.
34'
Ball safe as Porto is awarded a throw-in in their half.
34'
Clement Turpin awards the away team a throw-in.
33'
Arsenal have been awarded a corner by Clement Turpin.
33'
Arsenal to take a throw-in in Porto territory.
31'
Porto will need to be alert as they defend a dangerous free kick from Arsenal.
30'
Arsenal have been awarded a corner by Clement Turpin.
30'
A throw-in for the home team on the opposite half.
29'
Porto push upfield and Wenderson Galeno gets his head to the ball. The attempt is cleared by an alert Arsenal defence.
28'
Throw-in for Arsenal in their own half.
28'
Ball goes out of play for a Porto goal kick.
27'
Porto have a goal kick.
26'
Can Arsenal get the ball into an attacking position from this throw-in in Porto's half?
26'
Clement Turpin signals a free kick to Arsenal in their own half.
25'
Arsenal have a goal kick.
24'
Throw-in for Arsenal at Emirates Stadium.
23'
Porto to take a throw-in in Arsenal territory.
23'
Ball safe as Arsenal is awarded a throw-in in their half.
21'
Clement Turpin signals a free kick to Arsenal in their own half.
21'
Porto awarded a free kick in their own half.
20'
Arsenal are whistled for offside.
18'
Free kick for Arsenal in the half of Porto.
17'
Throw-in for Arsenal in the half of Porto.
16'
Evanilson for Porto gets in a strike but fails to hit the target.
16'
Ball goes out of play for a Arsenal goal kick.
16'
Goal kick for Porto at Emirates Stadium.
15'
Clement Turpin signals a Arsenal throw-in in Porto's half.
14'
Corner awarded to Arsenal.
14'
Arsenal's Martin Odegaard breaks free at Emirates Stadium. But the strike goes wide of the post.
14'
It's a goal kick for the away team in London.
13'
Bukayo Saka of Arsenal smashes in a shot on target. The keeper saves, though.
12'
Free kick for Porto in their own half.
12'
Throw-in high up the field for Porto in London.
11'
Arsenal awarded a throw-in in their own half.
9'
Clement Turpin awards the away team a throw-in.
9'
Throw-in for Arsenal in their own half.
8'
In London a free kick has been awarded the away team.
6'
Clement Turpin signals a throw-in for Porto, close to Arsenal's area.
5'
Can Porto capitalize from this throw-in deep inside Arsenal's half?
4'
Ben White's header is off-target for Arsenal.
4'
Clement Turpin awards Porto a goal kick.
3'
Free kick for Arsenal in their own half.
3'
Clement Turpin signals a free kick to Arsenal in their own half.
1'
Throw-in for Arsenal at Emirates Stadium.
1'
Porto awarded a free kick in their own half.
0'
0'