We are going to have three additional minutes at the end of this game.
87'
Porto going through the motions as we enter the final stages of this game. They are comfortably maintaining possession in defence and running the clock down more than anything else.
83'
Manchester City have also scored a second goal against Marseille. That will give Olympiacos comfort as they look to hold onto third place in Group C.
81'
O. Ba enters the game and replaces Y. El-Arabi.
Ousseynou Ba comes on for Olympiacos, with El-Arabi going off.
80'
Evanilson enters the game and replaces Toni Martínez.
Another double-change for the visitors. The first sees Malang Sarr introduced in favour of Otavio.
Martinez is also given a rest. Evanilson comes on in his place.
79'
Rúben Semedo gets a second yellow card and is sent off.
M. Sarr enters the game and replaces Otávio.
RED CARD! Semedo is given his marching orders for a late challenge on Diaz that warrants a second yellow card.
77'
M. Uribe has scored a goal for Porto!
URIBE!!! 2-0 PORTO! That may seal the three points! Great work by Diaz, who uses clever feet to skip away from his marker and get to the byline. His attempted square ball is deflected away but met by Uribe, who sends a first-time shot into the back of the net.
75'
L. Díaz gets yellow.
Diaz is booked for blocking the run of Rafinha.
73'
H. Soudani enters the game and replaces M. Vrousai.
Olympiacos also turn to the bench with Hillal Soudani replacing Vrousai.
Minute
Description
72'
J. Corona enters the game and replaces João Mário.
Another Porto change sees Jesus Corona replace Mario.
71'
Rafinha gets yellow.
Rafinha is booked for a rash challenge on Diaz.
68'
A concern for Porto as Leite stays down after his leg appeared to collide with that of Fortounis. The defender needs attention from the physio, but is soon back on his feet.
66'
Uribe will be hoping for better fortunes today. The Colombian international was sent off in the dying moments of Porto's 4-3 win over mid-table Tondela in Primeira Liga last weekend.
64'
M. Uribe enters the game and replaces Romário Baró.
Meanwhile, Baro makes way for Mateus Uribe.
63'
L. Díaz enters the game and replaces Felipe Anderson.
Porto make a double-change. The first sees Luis Diaz replace Anderson.
62'
The hosts continuing to ask questions. Vrousai tries his luck from distance, but Costa holds onto the shot.
60'
Good defending! Moments after Randjelovic's shot deflects behind for a corner, Rafinha gets to the Porto byline. The Brazilian crosses towards the six-yard box, but a combination of goalkeeper and defender clear the visitors' lines.
52'
Rúben Semedo gets yellow.
Semedo brings down Mario on the edge of the box and goes into the book.
50'
A nervy moment at the other end as Mbemba's attempted cushion back to Costa forces the Porto goalkeeper to frantically back-pedal. Fortunately, he is able to gather in the nick of time.
48'
Porto go on the attack with Martinez embarking on a dangerous run into the area. He drills a low cross into the six-yard box, but Sa gathers.
46'
L. Ranđelović enters the game and replaces G. Masouras.
The hosts make a change at the break with Masouras replaced by Lazar Randelovic.
Olympiacos get the ball rolling once more!
45' +6
HALF-TIME: OLYMPIACOS 0-1 PORTO
45' +4
A concern for both sides as Holebas and Nanu stay down following a clash of heads while contesting a loose ball. The medical teams are quickly on to see to the two players.
45' +2
Olympiacos look to turn up the pressure in stoppage time. But Costa is alert and collects a high cross from the right flank.
45'
We are going to have five additional minutes at the end of this first half.
43'
K. Fortounis gets yellow.
Fortounis is booked for tugging the shirt of Otavio, who was threatening to counter.
42'
Space opens for Grujic to try his luck from distance. However, his shot is always rising.
40'
Five minutes of the first half remaining, with Porto still holding the advantage. Can Olympiacos respond before the break?
38'
Martinez looks to race onto a long ball into the Olympiacos area, but Sa shields it behind for a goal kick.
35'
K. Fortounis enters the game and replaces M. Camara.
The hosts are forced into an early change with Camara making way for Konstantinos Fortounis.
33'
Olympiacos must continue to get into those dangerous positions as they seek a route back into this game. They are only a goal adrift and still very much in the contest.
27'
Nanu gets yellow.
Nanu is shown the first yellow card of the game after accidentally catching Holebas in the face with his trailing arm.
25'
We have a break in play as an Olympiacos player receives attention after being accidentally caught in the face by a trailing arm.
23'
We pass the midway point in the first half at the Karaiskakis Stadium, where Porto lead Olympiacos by a goal to nil. That Masouras chance aside, the visitors have looked fairly comfortable and good value for their lead on the whole.
20'
Elsewhere in Group C, Marseille are currently holding Manchester City at 0-0. As things stand, Olympiacos would need to equalise to seal their Europa League spot.
18'
It is imperative that Olympiacos take their opportunities today to stand any chance of keeping their European adventure alive. Masouras knows he should have done better there.
12'
That will settle Porto down. Their progress to the knockout stages may already be sealed, but Conceicao will stand want his side to conclude their group campaign on a high.
10'
Penalty goal scored by Otávio for Porto!
OTAVIO!!! 1-0 PORTO! The skipper steps up and calmly sends the goalkeeper the wrong way.
5'
Olympiacos look to launch a counter down the left with Vrousai chasing a long ball. But Costa is quickly out of goal to gather.
1'
The referee blows his whistle and Porto get us underway!
Porto have already booked their place in the knockout stages, while Olympiacos' elimination has been confirmed. However, the Greek side can secure a place in the Europa League by bettering Marseille's result against Manchester City in the other Group C showdown.
Hello everyone and thank you all for joining us for today's Champions League clash between Olympiacos and Porto from the Karaiskakis Stadium.
OLYMPIACOS (4-2-3-1): Jose Sa; Rafinha, Ruben Semedo, Pape Abou Cisse, Jose Holebas; Andreas Bouchalakis (captain), Yann M'Vila; Giorgos Masouras, Mady Camara, Marios Vrousai; Youssef El-Arabi.
SUBS: Agustin Marchesin, Mamadou Loum, Mateus Uribe, Luis Diaz, Evanilson, Malang Sarr, Mehdi Taremi, Shoya Nakajima, Wilson Manafa, Fabio Vieira, Jesus Corona, Moussa Marega.
The players and officials are out. All will observe the iconic Champions League anthem and kick-off is fast approaching.
PORTO (4-4-2): Diogo Costa; Nanu, Chancel Mbemba, Diogo Leite, Zaidu Sanusi; Joao Mario, Marko Grujic, Otavio (captain), Romario Baro; Toni Martinez, Felipe Anderson.
Remember, Olympiacos must better Marseille's result against Manchester City if they are to secure Europa League football in the New Year. The French side are currently holding the English giants at 0-0.
Pedro Martins' Porto are in Taca de Portugal action on Sunday, when they welcome Tondela to Estadio do Dragao. As for Olympiacos, they travel to Lamia in the Greek Super League.
That's all for today. Thank you for following our live Champions League coverage. Until next time, goodbye!
Commentary
More…