Match ends, Sheffield United 1, Chelsea 2.

Second Half ends, Sheffield United 1, Chelsea 2.

Offside, Sheffield United. Billy Sharp tries a through ball, but Oliver McBurnie is caught offside.

Attempt saved. Billy Sharp (Sheffield United) right footed shot from the centre of the box is saved in the bottom right corner. Assisted by Oliver McBurnie.

Mason Mount (Chelsea) wins a free kick on the left wing.

Foul by Jayden Bogle (Sheffield United).

Attempt blocked. Rhian Brewster (Sheffield United) left footed shot from the centre of the box is blocked.

Attempt blocked. Rhian Brewster (Sheffield United) right footed shot from the centre of the box is blocked.

Foul by Reece James (Chelsea).

Max Lowe (Sheffield United) wins a free kick on the left wing.

Attempt missed. John Lundstram (Sheffield United) left footed shot from outside the box is high and wide to the left. Assisted by David McGoldrick.

Substitution, Sheffield United. Rhian Brewster replaces Oliver Norwood.

Corner, Chelsea. Conceded by Max Lowe.

Attempt blocked. Reece James (Chelsea) right footed shot from the right side of the box is blocked. Assisted by Callum Hudson-Odoi.

Attempt missed. Mateo Kovacic (Chelsea) right footed shot from outside the box is high and wide to the right. Assisted by Callum Hudson-Odoi.

Substitution, Chelsea. N'Golo Kanté replaces Timo Werner.

Attempt saved. David McGoldrick (Sheffield United) left footed shot from outside the box is saved in the bottom right corner.

Foul by Timo Werner (Chelsea).

John Lundstram (Sheffield United) wins a free kick in the defensive half.

Foul by Reece James (Chelsea).

John Fleck (Sheffield United) wins a free kick on the left wing.

Corner, Sheffield United. Conceded by Antonio Rüdiger.

Substitution, Sheffield United. Billy Sharp replaces Kean Bryan.

Corner, Chelsea. Conceded by Jayden Bogle.

Substitution, Sheffield United. David McGoldrick replaces Oliver Burke.

Substitution, Chelsea. Callum Hudson-Odoi replaces Olivier Giroud.

Substitution, Chelsea. Marcos Alonso replaces Ben Chilwell.

Attempt missed. Reece James (Chelsea) left footed shot from the right side of the box is too high. Assisted by César Azpilicueta.

Attempt saved. John Fleck (Sheffield United) left footed shot from outside the box is saved in the centre of the goal. Assisted by Oliver Norwood.

Goal! Sheffield United 1, Chelsea 2. Jorginho (Chelsea) converts the penalty with a right footed shot to the bottom right corner.

VAR Decision: Penalty Chelsea.

Penalty Chelsea. Timo Werner draws a foul in the penalty area.

Penalty conceded by Aaron Ramsdale (Sheffield United) after a foul in the penalty area.

Own Goal by Antonio Rüdiger, Chelsea. Sheffield United 1, Chelsea 1.

Foul by Mateo Kovacic (Chelsea).

John Lundstram (Sheffield United) wins a free kick on the right wing.

Foul by Olivier Giroud (Chelsea).

John Egan (Sheffield United) wins a free kick in the defensive half.

Second Half begins Sheffield United 0, Chelsea 1.

First Half ends, Sheffield United 0, Chelsea 1.

Foul by Olivier Giroud (Chelsea).

John Lundstram (Sheffield United) wins a free kick in the defensive half.

Goal! Sheffield United 0, Chelsea 1. Mason Mount (Chelsea) left footed shot from the centre of the box to the bottom right corner. Assisted by Timo Werner.

Corner, Chelsea. Conceded by Chris Basham.

Attempt blocked. Antonio Rüdiger (Chelsea) right footed shot from the left side of the box is blocked. Assisted by Reece James with a cross.

Corner, Chelsea. Conceded by Jayden Bogle.

Offside, Chelsea. Mateo Kovacic tries a through ball, but Ben Chilwell is caught offside.

Attempt missed. Ben Chilwell (Chelsea) header from the centre of the box is high and wide to the right.

Attempt missed. Antonio Rüdiger (Chelsea) right footed shot from outside the box misses to the left. Assisted by Jorginho following a corner.

Corner, Chelsea. Conceded by Jayden Bogle.

Antonio Rüdiger (Chelsea) wins a free kick in the defensive half.

Foul by Jayden Bogle (Sheffield United).

Offside, Chelsea. Andreas Christensen tries a through ball, but Timo Werner is caught offside.

Attempt missed. Oliver Burke (Sheffield United) right footed shot from the left side of the box is high and wide to the right. Assisted by Oliver McBurnie.

Chris Basham (Sheffield United) is shown the yellow card for a bad foul.

Timo Werner (Chelsea) wins a free kick on the left wing.

Foul by Chris Basham (Sheffield United).

Mason Mount (Chelsea) wins a free kick in the attacking half.

Foul by Kean Bryan (Sheffield United).

Ben Chilwell (Chelsea) wins a free kick in the defensive half.

Foul by Jayden Bogle (Sheffield United).

VAR Decision: No Penalty Sheffield United.

Offside, Sheffield United. Kean Bryan tries a through ball, but Chris Basham is caught offside.

Foul by Andreas Christensen (Chelsea).

John Fleck (Sheffield United) wins a free kick in the attacking half.

Mason Mount (Chelsea) wins a free kick in the defensive half.

Foul by John Lundstram (Sheffield United).

Corner, Chelsea. Conceded by Chris Basham.

Attempt blocked. Timo Werner (Chelsea) right footed shot from the left side of the box is blocked. Assisted by Mateo Kovacic with a through ball.

Foul by Jorginho (Chelsea).

Oliver McBurnie (Sheffield United) wins a free kick in the defensive half.

Corner, Chelsea. Conceded by Oliver Norwood.

Corner, Chelsea. Conceded by Chris Basham.

Attempt missed. Oliver Burke (Sheffield United) left footed shot from the centre of the box is close, but misses to the left. Assisted by Oliver McBurnie following a fast break.

Jorginho (Chelsea) wins a free kick in the defensive half.

Foul by Oliver McBurnie (Sheffield United).

First Half begins.

Lineups are announced and players are warming up.