Maybe a little bit of frustration starting to seep in from Chelsea now.

Nicolas Jackson brings down Matty Cash unnecessarily.

We have just gone into six minutes of additional time at the end of the first half.

Lucy Ward
Former Leeds striker on TNT Sports

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That is the difference between the two sides, Villa have been clinical, Chelsea haven't.

Morgan Rogers has come into this side, bringing physicality and driving midfield runs, which Unai Emery really likes.

Villa move the ball quickly, get into some good positions and when they do get in there, they are not closed down. Again the ball sneaks into the near post, Rogers shot going into the bottom corner.

The atmosphere had gone a little bit flat following Aston Villa's first goal with Chelsea controlling the tempo of the game but that goal has got the home faithful going again.

A win tonight will put Aston Villa nine points clear of fifth-placed Tottenham.

Spurs will have three games in hand though.

Leon Bailey is mesmerised by the footwork of Mykhailo Mudryk and gives away a free kick to Chelsea around 12 yards shy of the corner flag.

Cole Palmer swings in the set-piece and it's cleared by Villa.

The offside flag goes up too.

Marc Cucurella is desperate to atone for his own goal. He has been charging around the field ever since that incident in the fourth minute.

The Spaniard makes good ground down the right this time and then loses his footing under pressure from Matty Cash on the edge of the Villa box.

You can't question his endeavour.

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Mykhailo Mudryk has a moment to forget.

The Ukraine forward turns really neatly and attempts a shot which flies out for a throw-in on the far side.

Ollie Watkins picks up the ball just inside the box and only has one thing in mind... shoot!

Djordje Petrovic has his angles covered well and parries away.

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Nicolas Jackson has had one ruled out for offside and he's just hit the post.

The Senegal striker had Emiliano Martinez beaten as he meets Marc Cucurella's cross with his head but the woodwork keeps Villa in front.

It's just not his night.

It's still pretty much one way traffic with Chelsea dominating possession.

Ollie Watkins goes chasing after Thiago Silva and the England striker throws his arms out in frustration when he realises no one else has engaged in the press.

Leon Bailey shields the ball down the the corner flag in Chelsea's defensive third and he's awarded a free kick after too much pressure from Benoit Badiashile.

John McGinn delivers and Chelsea clear.

Chelsea work the ball in behind the Aston Villa defence towards Nicolas Jackson but he's muscled off the ball by Ezri Konsa.

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This has been a really good response from Chelsea.

Chelsea are playing all of their football in Aston Villa's half of the field.

It feels only a matter of time until they find an equaliser.

The change is made. Off goes Youri Tielemans and on comes Moussa Diaby.

Diaby goes straight over to John McGinn to pass on a message.

It certainly isn't like for like.

Emiliano Martinez was also receiving some treatment to his thigh while that substitution was taking place.

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It looks like we're going to get an early substitution here.

Aston Villa midfielder Youri Tielemans has just gone down off the ball and looks to be in a fair bit of pain.

Moussa Diaby is already getting ready on the touchline.

Moises Caicedo is next to have a go for Chelsea.

He scored a few cracker during his time at Brighton but he's unable to find a way past Emiliano Martinez with a tame shot from just outside the box.

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Paul C: One of the few occasions where Nicolas Jackson looks competent and finishes really well and he’s given offside…

Arjun: And that, right there, is Chelsea’s last two years in microcosm. I’m certain they’ve had more goals disallowed from VAR than any other team in Europe

Cole Palmer has his first shot of the game. It flies well over the crossbar.

Villa have done a good job of keeping him quiet so far.

Chelsea have responded well to that early goal from Villa, having 73.3% possession over the opening 15 minutes of this game.

Mykhailo Mudryk drags their latest attempt wide.