Olympiacos against Arsenal

Substitution, Arsenal. Nicolas Pépé replaces Bukayo Saka.

Substitution, Arsenal. Emile Smith Rowe replaces Martin Ødegaard.

Substitution, Arsenal. Mohamed Elneny replaces Willian.

Corner, Arsenal. Conceded by Andreas Bouchalakis.

Attempt blocked. Martin Ødegaard (Arsenal) left footed shot from outside the box is blocked. Assisted by Pierre-Emerick Aubameyang.

Substitution, Olympiakos. Ahmed Hassan Mahgoub replaces Youssef El-Arabi.

Willian (Arsenal) wins a free kick in the defensive half.

Foul by Youssef El-Arabi (Olympiakos).

Attempt missed. Willian (Arsenal) left footed shot from outside the box is too high. Assisted by Martin Ødegaard.

Martin Ødegaard (Arsenal) wins a free kick in the attacking half.

Foul by Youssef El-Arabi (Olympiakos).

Mohamed Mady Camara (Olympiakos) wins a free kick in the defensive half.

Foul by Martin Ødegaard (Arsenal).

Attempt blocked. Martin Ødegaard (Arsenal) left footed shot from the right side of the box is blocked. Assisted by Dani Ceballos.

Attempt blocked. Bukayo Saka (Arsenal) left footed shot from the right side of the box is blocked. Assisted by Martin Ødegaard.

Corner, Olympiakos. Conceded by Héctor Bellerín.

Attempt blocked. Youssef El-Arabi (Olympiakos) right footed shot from the centre of the box is blocked. Assisted by Lazar Randjelovic.

Willian (Arsenal) wins a free kick in the attacking half.

Foul by Sokratis Papastathopoulos (Olympiakos).

Gabriel Magalhães (Arsenal) wins a free kick in the defensive half.

Foul by Youssef El-Arabi (Olympiakos).

Granit Xhaka (Arsenal) wins a free kick in the attacking half.

Foul by Giorgos Masouras (Olympiakos).

Foul by Willian (Arsenal).

Andreas Bouchalakis (Olympiakos) wins a free kick in the attacking half.

Substitution, Olympiakos. Lazar Randjelovic replaces Bruma.

Substitution, Arsenal. Dani Ceballos replaces Thomas Partey.

Offside, Arsenal. Martin Ødegaard tries a through ball, but Héctor Bellerín is caught offside.

Attempt blocked. Bukayo Saka (Arsenal) left footed shot from outside the box is blocked.

Thomas Partey (Arsenal) wins a free kick in the defensive half.

Foul by Giorgos Masouras (Olympiakos).

Attempt saved. Thomas Partey (Arsenal) right footed shot from outside the box is saved in the bottom left corner. Assisted by Willian.

Substitution, Olympiakos. Konstantinos Fortounis replaces Mathieu Valbuena.

Substitution, Olympiakos. José Holebas replaces Oleg Reabciuk.

Second Half begins Olympiakos 0, Arsenal 1.

First Half ends, Olympiakos 0, Arsenal 1.

Corner, Arsenal. Conceded by Sokratis Papastathopoulos.

Gabriel Magalhães (Arsenal) is shown the yellow card for a bad foul.

Mathieu Valbuena (Olympiakos) wins a free kick in the attacking half.

Foul by Gabriel Magalhães (Arsenal).

Attempt saved. Willian (Arsenal) right footed shot from the left side of the box is saved in the top centre of the goal. Assisted by Bukayo Saka.

Attempt missed. Giorgos Masouras (Olympiakos) right footed shot from the left side of the box is high and wide to the right.

Attempt blocked. Youssef El-Arabi (Olympiakos) left footed shot from the centre of the box is blocked. Assisted by Bruma.

Andreas Bouchalakis (Olympiakos) is shown the yellow card for a bad foul.

Pierre-Emerick Aubameyang (Arsenal) wins a free kick in the defensive half.

Foul by Andreas Bouchalakis (Olympiakos).

Attempt blocked. Pierre-Emerick Aubameyang (Arsenal) right footed shot from the left side of the box is blocked. Assisted by Martin Ødegaard.

Attempt blocked. Granit Xhaka (Arsenal) left footed shot from outside the box is blocked.

Foul by Oleg Reabciuk (Olympiakos).

Bukayo Saka (Arsenal) wins a free kick in the attacking half.

Attempt saved. Pierre-Emerick Aubameyang (Arsenal) right footed shot from outside the box is saved in the top right corner.

Yann M'Vila (Olympiakos) is shown the yellow card for a bad foul.

Foul by Yann M'Vila (Olympiakos).

Bukayo Saka (Arsenal) wins a free kick in the attacking half.

Attempt saved. Bruma (Olympiakos) right footed shot from the centre of the box is saved in the centre of the goal.

Sokratis Papastathopoulos (Olympiakos) wins a free kick on the right wing.

Foul by Pierre-Emerick Aubameyang (Arsenal).

Attempt saved. David Luiz (Arsenal) right footed shot from outside the box is saved in the top centre of the goal.

Willian (Arsenal) wins a free kick in the attacking half.

Foul by Kenny Lala (Olympiakos).

Kieran Tierney (Arsenal) wins a free kick in the defensive half.

Foul by Bruma (Olympiakos).

Attempt missed. Thomas Partey (Arsenal) right footed shot from outside the box is too high. Assisted by Martin Ødegaard.

Attempt blocked. Mohamed Mady Camara (Olympiakos) left footed shot from outside the box is blocked.

Foul by Mathieu Valbuena (Olympiakos).

Bukayo Saka (Arsenal) wins a free kick in the defensive half.

Corner, Arsenal. Conceded by Sokratis Papastathopoulos.

Attempt saved. Pierre-Emerick Aubameyang (Arsenal) header from the centre of the box is saved in the top centre of the goal. Assisted by Héctor Bellerín with a cross.

Offside, Olympiakos. Yann M'Vila tries a through ball, but Youssef El-Arabi is caught offside.

Oleg Reabciuk (Olympiakos) wins a free kick in the defensive half.

Foul by Bukayo Saka (Arsenal).

Attempt missed. Martin Ødegaard (Arsenal) left footed shot from the centre of the box is close, but misses to the right. Assisted by Kieran Tierney with a cross.

Granit Xhaka (Arsenal) wins a free kick in the attacking half.

Foul by Youssef El-Arabi (Olympiakos).

First Half begins.

Lineups are announced and players are warming up.

Corner, Olympiakos. Conceded by Héctor Bellerín.

Attempt blocked. Youssef El-Arabi (Olympiakos) right footed shot from the centre of the box is blocked. Assisted by Lazar Randjelovic.

Willian (Arsenal) wins a free kick in the attacking half.

Foul by Sokratis Papastathopoulos (Olympiakos).

Gabriel Magalhães (Arsenal) wins a free kick in the defensive half.

Foul by Youssef El-Arabi (Olympiakos).

Granit Xhaka (Arsenal) wins a free kick in the attacking half.

Foul by Giorgos Masouras (Olympiakos).

Foul by Willian (Arsenal).

Andreas Bouchalakis (Olympiakos) wins a free kick in the attacking half.

Substitution, Olympiakos. Lazar Randjelovic replaces Bruma.

Substitution, Arsenal. Dani Ceballos replaces Thomas Partey.

Offside, Arsenal. Martin Ødegaard tries a through ball, but Héctor Bellerín is caught offside.

Attempt blocked. Bukayo Saka (Arsenal) left footed shot from outside the box is blocked.

Thomas Partey (Arsenal) wins a free kick in the defensive half.

Foul by Giorgos Masouras (Olympiakos).

Attempt saved. Thomas Partey (Arsenal) right footed shot from outside the box is saved in the bottom left corner. Assisted by Willian.

Substitution, Olympiakos. Konstantinos Fortounis replaces Mathieu Valbuena.

Substitution, Olympiakos. José Holebas replaces Oleg Reabciuk.

Second Half begins Olympiakos 0, Arsenal 1.

First Half ends, Olympiakos 0, Arsenal 1.

Corner, Arsenal. Conceded by Sokratis Papastathopoulos.

Gabriel Magalhães (Arsenal) is shown the yellow card for a bad foul.

Mathieu Valbuena (Olympiakos) wins a free kick in the attacking half.

Foul by Gabriel Magalhães (Arsenal).

Attempt saved. Willian (Arsenal) right footed shot from the left side of the box is saved in the top centre of the goal. Assisted by Bukayo Saka.

Attempt missed. Giorgos Masouras (Olympiakos) right footed shot from the left side of the box is high and wide to the right.

Attempt blocked. Youssef El-Arabi (Olympiakos) left footed shot from the centre of the box is blocked. Assisted by Bruma.

Andreas Bouchalakis (Olympiakos) is shown the yellow card for a bad foul.

Pierre-Emerick Aubameyang (Arsenal) wins a free kick in the defensive half.

Foul by Andreas Bouchalakis (Olympiakos).

Attempt blocked. Pierre-Emerick Aubameyang (Arsenal) right footed shot from the left side of the box is blocked. Assisted by Martin Ødegaard.

Attempt blocked. Granit Xhaka (Arsenal) left footed shot from outside the box is blocked.

Foul by Oleg Reabciuk (Olympiakos).

Bukayo Saka (Arsenal) wins a free kick in the attacking half.

Attempt saved. Pierre-Emerick Aubameyang (Arsenal) right footed shot from outside the box is saved in the top right corner.

Yann M'Vila (Olympiakos) is shown the yellow card for a bad foul.

Foul by Yann M'Vila (Olympiakos).

Bukayo Saka (Arsenal) wins a free kick in the attacking half.

Attempt saved. Bruma (Olympiakos) right footed shot from the centre of the box is saved in the centre of the goal.

Sokratis Papastathopoulos (Olympiakos) wins a free kick on the right wing.

Foul by Pierre-Emerick Aubameyang (Arsenal).

Attempt saved. David Luiz (Arsenal) right footed shot from outside the box is saved in the top centre of the goal.

Willian (Arsenal) wins a free kick in the attacking half.

Foul by Kenny Lala (Olympiakos).

Kieran Tierney (Arsenal) wins a free kick in the defensive half.

Foul by Bruma (Olympiakos).

Attempt missed. Thomas Partey (Arsenal) right footed shot from outside the box is too high. Assisted by Martin Ødegaard.

Attempt blocked. Mohamed Mady Camara (Olympiakos) left footed shot from outside the box is blocked.

Foul by Mathieu Valbuena (Olympiakos).

Bukayo Saka (Arsenal) wins a free kick in the defensive half.

Corner, Arsenal. Conceded by Sokratis Papastathopoulos.

Attempt saved. Pierre-Emerick Aubameyang (Arsenal) header from the centre of the box is saved in the top centre of the goal. Assisted by Héctor Bellerín with a cross.

Offside, Olympiakos. Yann M'Vila tries a through ball, but Youssef El-Arabi is caught offside.

Oleg Reabciuk (Olympiakos) wins a free kick in the defensive half.

Foul by Bukayo Saka (Arsenal).

Attempt missed. Martin Ødegaard (Arsenal) left footed shot from the centre of the box is close, but misses to the right. Assisted by Kieran Tierney with a cross.

Granit Xhaka (Arsenal) wins a free kick in the attacking half.

Foul by Youssef El-Arabi (Olympiakos).

First Half begins.

Lineups are announced and players are warming up.