Second Half ends, Chelsea 2, Arsenal 4.
Substitution, Arsenal. Alexandre Lacazette replaces Bukayo Saka.
Goal! Chelsea 2, Arsenal 4. Bukayo Saka (Arsenal) converts the penalty with a left footed shot to the bottom right corner.
César Azpilicueta (Chelsea) is shown the yellow card.
Gabriel Magalhães (Arsenal) is shown the yellow card.
Penalty conceded by César Azpilicueta (Chelsea) after a foul in the penalty area.
Penalty Arsenal. Bukayo Saka draws a foul in the penalty area.
Corner, Chelsea. Conceded by Rob Holding.
Attempt missed. Nuno Tavares (Arsenal) right footed shot from outside the box is high and wide to the left.
Mason Mount (Chelsea) is shown the yellow card for a bad foul.
Foul by Mason Mount (Chelsea).
Cédric Soares (Arsenal) wins a free kick in the attacking half.
Attempt missed. Nuno Tavares (Arsenal) right footed shot from the left side of the box is close, but misses to the left. Assisted by Cédric Soares.
Foul by Malang Sarr (Chelsea).
Martin Ødegaard (Arsenal) wins a free kick in the defensive half.
Substitution, Chelsea. Hakim Ziyech replaces Marcos Alonso.
Attempt missed. Bukayo Saka (Arsenal) right footed shot from the centre of the box misses to the left. Assisted by Cédric Soares.
Substitution, Arsenal. Cédric Soares replaces Emile Smith Rowe.
Substitution, Arsenal. Gabriel Martinelli replaces Eddie Nketiah.
Attempt missed. Timo Werner (Chelsea) left footed shot from the right side of the box is close, but misses the top left corner. Assisted by César Azpilicueta.
Offside, Arsenal. Benjamin White tries a through ball, but Eddie Nketiah is caught offside.
Malang Sarr (Chelsea) is shown the yellow card for a bad foul.
Foul by Malang Sarr (Chelsea).
Bukayo Saka (Arsenal) wins a free kick in the attacking half.
Attempt blocked. Marcos Alonso (Chelsea) right footed shot from the centre of the box is blocked.
Corner, Chelsea. Conceded by Bukayo Saka.
Attempt blocked. Marcos Alonso (Chelsea) right footed shot from the left side of the box is blocked. Assisted by Timo Werner.
Substitution, Chelsea. Kai Havertz replaces Romelu Lukaku.
Offside, Arsenal. Emile Smith Rowe tries a through ball, but Eddie Nketiah is caught offside.
Goal! Chelsea 2, Arsenal 3. Eddie Nketiah (Arsenal) left footed shot from the centre of the box to the bottom left corner.
Édouard Mendy (Chelsea) wins a free kick in the defensive half.
Foul by Benjamin White (Arsenal).
Corner, Arsenal. Conceded by Thiago Silva.
Marcos Alonso (Chelsea) wins a free kick in the defensive half.
Foul by Bukayo Saka (Arsenal).
Attempt blocked. Mohamed Elneny (Arsenal) right footed shot from outside the box is blocked. Assisted by Nuno Tavares.
Attempt blocked. Marcos Alonso (Chelsea) left footed shot from outside the box is blocked.
Attempt missed. Timo Werner (Chelsea) left footed shot from the left side of the box is close, but misses to the left. Assisted by Mason Mount.
Substitution, Chelsea. Thiago Silva replaces Andreas Christensen.
Second Half begins Chelsea 2, Arsenal 2.
First Half ends, Chelsea 2, Arsenal 2.
Hand ball by Bukayo Saka (Arsenal).
Attempt missed. Emile Smith Rowe (Arsenal) right footed shot from the centre of the box is close, but misses to the right. Assisted by Martin Ødegaard.
Foul by Malang Sarr (Chelsea).
Eddie Nketiah (Arsenal) wins a free kick in the attacking half.
Attempt blocked. Granit Xhaka (Arsenal) left footed shot from the centre of the box is blocked. Assisted by Emile Smith Rowe.
Foul by Marcos Alonso (Chelsea).
Bukayo Saka (Arsenal) wins a free kick in the defensive half.
Attempt missed. Marcos Alonso (Chelsea) left footed shot from the left side of the box is high and wide to the left. Assisted by Mason Mount.
Mason Mount (Chelsea) wins a free kick on the right wing.
Foul by Nuno Tavares (Arsenal).
Attempt missed. Eddie Nketiah (Arsenal) left footed shot from outside the box is close, but misses to the right. Assisted by Mohamed Elneny.
Goal! Chelsea 2, Arsenal 2. César Azpilicueta (Chelsea) right footed shot from the centre of the box to the bottom left corner. Assisted by Mason Mount with a cross.
Corner, Chelsea. Conceded by Mohamed Elneny.
Goal! Chelsea 1, Arsenal 2. Emile Smith Rowe (Arsenal) right footed shot from outside the box to the bottom right corner. Assisted by Martin Ødegaard.
Offside, Arsenal. Eddie Nketiah tries a through ball, but Nuno Tavares is caught offside.
Attempt missed. Eddie Nketiah (Arsenal) header from the centre of the box misses to the left.
Attempt blocked. Bukayo Saka (Arsenal) left footed shot from the right side of the box is blocked. Assisted by Martin Ødegaard.
Attempt missed. Eddie Nketiah (Arsenal) right footed shot from the centre of the box is close, but misses to the right. Assisted by Bukayo Saka.
Attempt missed. Mason Mount (Chelsea) right footed shot from the left side of the box misses to the right. Assisted by Marcos Alonso.
Goal! Chelsea 1, Arsenal 1. Timo Werner (Chelsea) right footed shot from outside the box to the bottom left corner.
Goal! Chelsea 0, Arsenal 1. Eddie Nketiah (Arsenal) right footed shot from the centre of the box to the bottom left corner.
Attempt missed. Romelu Lukaku (Chelsea) right footed shot from the right side of the box misses to the left. Assisted by Ruben Loftus-Cheek.
Offside, Arsenal. Aaron Ramsdale tries a through ball, but Eddie Nketiah is caught offside.
Offside, Chelsea. Ruben Loftus-Cheek tries a through ball, but Romelu Lukaku is caught offside.
Corner, Chelsea. Conceded by Mohamed Elneny.
Foul by Mason Mount (Chelsea).
Mohamed Elneny (Arsenal) wins a free kick in the attacking half.
Hand ball by Rob Holding (Arsenal).
Corner, Chelsea. Conceded by Benjamin White.
Attempt blocked. Marcos Alonso (Chelsea) left footed shot from the centre of the box is blocked. Assisted by Romelu Lukaku.
Corner, Chelsea. Conceded by Aaron Ramsdale.
Ruben Loftus-Cheek (Chelsea) wins a free kick on the right wing.
Foul by Gabriel Magalhães (Arsenal).
Lineups are announced and players are warming up.
