Bobby Clark has signalled to the Liverpool bench that he's struggling. This may mean Mohamed Salah, who looked set to be replaced, will have to play the full 90.

The tie might be over now. Ajax midfielder Sivert Mannsverk fouls Jhon Duran in the centre circle. That's a second booking which means he's gone.

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Evan Ferguson is on for Brighton. He hasn't scored a goal since November, a run of 19 games.

Michael Emons
BBC Sport at Villa Park

What noise at Villa Park as Villa take a huge step closer to the quarter-finals, with Leon Bailey capitalising on Ajax losing possession, producing two step overs to create space before scoring Villa's second.

That came just after a great chance for Jhon Duran, one for the injured Ollie Watkins.

Duran showed great strength and pace to hold off a challenge from Josip Sutalo and curl an effort aiming for the top corner, only to send it just wide.

But it didn't matter as Villa are now 30 minutes away from the last eight of the Europa Conference League.

The Ajax fans are still bouncing, singing and clapping and they still believe, but need something special from their side to rescue this one.

Cody Gakpo should probably have a hat-trick but his left-footed strike was awkward and he scooped it over the bar.

Villa striker Jhon Duran heads straight at Diant Ramaj. Another goal would put this one beyond any doubt.

Brighton really can't afford to be missing any chances here. Simon Adingra powers a header straight at the Roma keeper from six yards out. Good save though.

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That booking was Jarell Quansah's last action as he is replaced by Liverpool skipper Virgil van Dijk.

Villa think they should have a penalty here as Jhon Duran has a shot saved by the onrushing keeper Diant Ramaj, who brings him down in the follow-through.

Never a foul though. VAR agrees. Play goes on.

First yellow card of the game as Jarell Quansah goes in to a tackle late and Jurgen Klopp is also shown a card in protest of that.

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Azerbaijan Premier League side Qarabag have taken a shock lead away at Bundesliga leaders Bayer Leverkusen.

Midfielder Abdellah Zoubir has opened the scoring with the side's first shot on target on the night.

Work for Xabi Alonso's side to do to keep their unbeaten run going.

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Jhon Duran needs a change of shirt, I'm not sure why but the referee makes him go off the pitch for a few seconds after changing it.

Villa's Jhon Duran pulls a defender back by the neck and then shoots over - and the whistle goes against him anyway.

Brighton sub Ansu Fati swings in a dangerous cross-shot but it's punched away by Mile Svilar.

Corner for Sparta as Virgil van Dijk gets ready to come on for Liverpool.

Caoimhin Kelleher is fouled as he tries to claim the ball in.

Ajax captain Jordan Henderson almost finds Brian Brobbey with a clever ball over the top but Diego Carlos does well to stop him with a physical barge.

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Triple change for Sparta as Qazim Laçi, Jan Kuchta and Matej Rynes make way for Lukas Haraslin, Filip Panak and Lukas Sadilek.

Brighton bring on Ansu Fati and Facundo Buonanotte for Julio Enciso and Adam Lallana.