Commentary:
90+5' Gilberto (Benfica Lisbon) has received a first yellow card.
90+5' Hugo Miguel signals a free kick to Porto.
90+4' Hugo Miguel awards the away team a throw-in.
90+4' Diogo Goncalves for Benfica Lisbon has been booked by Hugo Miguel and receives a first yellow card.
90+3' Hugo Miguel awards Benfica Lisbon a goal kick.
90+3' Porto are pushing forward but Otavio's finish is wide of the goal.
90+2' Ball safe as Benfica Lisbon is awarded a throw-in in their half.
90+2' Toni Martinez (Porto) has received a yellow card from Hugo Miguel.
90' Porto have a goal kick.
89' Benfica Lisbon have been awarded a corner by Hugo Miguel.
88' Can Benfica Lisbon capitalize from this dangerous free kick?
87' Diogo Goncalves is replacing Everton for Benfica Lisbon at Estadio do Dragao.
87' Hugo Miguel signals a throw-in for Porto, close to Benfica Lisbon's area.
85' Porto to take a throw-in in Benfica Lisbon territory.
84' Sergio Oliveira is replacing Fabio Vieira for Porto at Estadio do Dragao.
84' Toni Martinez is on a sub for Mehdi Taremi for Porto.
83' The home team have replaced Pepe with Chico Conceicao. This is the third substitution made today by Sergio Conceicao.
82' Goal kick for Benfica Lisbon at Estadio do Dragao.
81' Benfica Lisbon's Adel Taarabt is on target but unsuccessful.
79' A throw-in for the away team on the opposite half.
79' Free kick for Benfica Lisbon in their own half.
78' Hugo Miguel signals a Porto throw-in in Benfica Lisbon's half.
74' Adel Taarabt is replacing Rafa Silva for the away team.
74' Verissimo (Benfica Lisbon) is making a third substitution, with Haris Seferovic replacing Goncalo Ramos.
69' That's a fine assist from Vitinha.
69' Goal! Mehdi Taremi extends Porto's lead to 3-1.66' Verissimo is making the team's second substitution at Estadio do Dragao with Pizzi replacing Joao Mario.
65+3' Porto are whistled for offside.
63' Corner awarded to Porto.
61' Throw-in for Porto at Estadio do Dragao.
60' Wilson Manafa (Porto) does not seem to be able to continue. He is replaced by Jesus Corona.
60' Wilson Manafa is back on the pitch.
58' Attention is being given to Porto’s Wilson Manafa and play has been suspended briefly.
57' It's a goal kick for the home team in Porto.
57' Benfica Lisbon's Rafa Silva gets his shot away but it misses the target.
56' Throw-in for Benfica Lisbon in the half of Porto.
54' Throw-in Benfica Lisbon.
53' Hugo Miguel awards Porto a goal kick.
53' Benfica Lisbon are coming forward and Gilberto gets in a strike, it misses the target, however.
53' Corner awarded to Benfica Lisbon.
52' Benfica Lisbon make their first substitution with Valentino Lazaro replacing Roman Yaremchuk.
51' At Estadio do Dragao, Pepe has been yellow-carded for the home team.
51' Can Benfica Lisbon get the ball into an attacking position from this throw-in in Porto's half?
50' Free kick for Porto in the half of Benfica Lisbon.
49' Andre Almeida (Benfica Lisbon) has been booked for the second time by the referee and is off!48' Benfica Lisbon awarded a free kick in their own half.
46' Benfica Lisbon have a goal kick.
46' Rafa Silva instrumental with a fine assist.
46' Benfica Lisbon are back in the match in Porto. Roman Yaremchuk has scored to make it 2-1.The ref's whistle signals the end of the first-half.
45+4' Free kick Benfica Lisbon.
45+3' In Porto a free kick has been awarded the away team.
45+3' Throw-in for Benfica Lisbon in the half of Porto.
45+3' A throw-in for the away team on the opposite half.
45+3' Benfica Lisbon to take a throw-in in Porto territory.
45+2' Ball goes out of play for a Benfica Lisbon goal kick.
45+2' Can Benfica Lisbon get the ball into an attacking position from this throw-in in Porto's half?
45+2' Hugo Miguel signals a Benfica Lisbon throw-in in Porto's half.
45+1' Free kick for Benfica Lisbon in their own half.
45+1' Throw-in high up the field for Porto in Porto.
45' Free kick Porto.
45' Can Porto get the ball into an attacking position from this throw-in in Benfica Lisbon's half?
44' Benfica Lisbon pushes forward through Gilberto, whose finish on goal is saved.
43' Hugo Miguel awards the home team a throw-in.
42' Hugo Miguel signals a Benfica Lisbon throw-in in Porto's half.
42' Zaidu Sanusi is back on his feet again.
42' Throw-in for Benfica Lisbon in their own half.
41' Play has been interrupted briefly in Porto to check on Zaidu Sanusi, who is grimacing with pain.
40' Goal kick for Porto at Estadio do Dragao.
40' Benfica Lisbon to take a throw-in in Porto territory.
39' A throw-in for the away team on the opposite half.
38' Hugo Miguel awards Porto a goal kick.
37' Otavio with an assist there.
37' Porto move into a 2-0 lead through a Pepe header.36' Hugo Miguel signals a free kick to Porto.
34' Throw-in for Porto in the half of Benfica Lisbon.
34' Great play from Mehdi Taremi to set up the goal.
34' Fabio Vieira puts the ball in the net and the home team now lead 1-0.33' In Porto Benfica Lisbon drive forward through Jan Vertonghen. His shot is on target but it's saved.
33' Benfica Lisbon have been awarded a corner by Hugo Miguel.
33' Benfica Lisbon's Roman Yaremchuk gets in a shot on goal at Estadio do Dragao. But the effort is unsuccessful.
31' Ball goes out of play for a Benfica Lisbon goal kick.
31' A throw-in for the home team on the opposite half.
30' Hugo Miguel signals a free kick to Benfica Lisbon in their own half.
30' Porto's Fabio Cardoso has been booked in Porto.
30' Corner awarded to Porto.
30' Fabio Vieira of Porto smashes in a shot on target. The keeper saves, though.
29' It seems as if Joao Mario is unable to continue. Wilson Manafa replaces him for the home team.
29' Porto’s Joao Mario is on his feet again at Estadio do Dragao.
28' Hugo Miguel waits before resuming play because Joao Mario for Porto is still down.
26' Jan Vertonghen is booked for the away team.
26' Free kick in a good position for Porto!
25' Porto awarded a throw-in in their own half.
22' Hugo Miguel blows against Porto's Pepe for offside.
21' It's a goal kick for the home team in Porto.
21' Benfica Lisbon's Everton breaks free at Estadio do Dragao. But the strike goes wide of the post.
21' Hugo Miguel signals a Benfica Lisbon throw-in in Porto's half.
20' Throw-in Porto.
20' Benfica Lisbon to take a throw-in in Porto territory.
19' Porto have been awarded a corner by Hugo Miguel.
19' Mehdi Taremi gets his shot on target but fails to score for Porto.
18' Free kick for Porto in the half of Benfica Lisbon.
18' Throw-in for Benfica Lisbon at Estadio do Dragao.
18' Free kick for Porto in the half of Benfica Lisbon.
17' Roman Yaremchuk for the away team is judged to be offside.
17' Hugo Miguel awards the away team a throw-in.
16' Throw-in for Porto in the half of Benfica Lisbon.
16' Can Benfica Lisbon get the ball into an attacking position from this throw-in in Porto's half?
15' Free kick for Benfica Lisbon in their own half.
14' Ball safe as Benfica Lisbon is awarded a throw-in in their half.
13' Throw-in for Benfica Lisbon in their own half.
12' Benfica Lisbon to take a throw-in in Porto territory.
11' Benfica Lisbon awarded a free kick in their own half.
10' Porto awarded a throw-in in their own half.
10' Free kick Benfica Lisbon.
8' Andre Almeida (Benfica Lisbon) gets a yellow card.
8' Benfica Lisbon have been awarded a corner by Hugo Miguel.
6' Goal kick for Benfica Lisbon at Estadio do Dragao.
6' Hugo Miguel signals a free kick to Porto.
5' A throw-in for the away team on the opposite half.
5' Throw-in for Benfica Lisbon in the half of Porto.
4' In Porto a free kick has been awarded the away team.
3' Benfica Lisbon have a goal kick.
3' Fabio Vieira of Porto gets in a strike, but is off target.
3' Corner awarded to Porto.
3' Pepe for Porto drives towards goal at Estadio do Dragao. But the finish is unsuccessful.
2' Throw-in for Porto close to the penalty box.
1' Hugo Miguel signals a free kick to Porto in their own half.
1' Hugo Miguel signals a Benfica Lisbon throw-in in Porto's half.
1' Can Benfica Lisbon get the ball into an attacking position from this throw-in in Porto's half?
The first-half is now underway.
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