Liverpool's second-half performance has improved

A low drive from a distance by Thiago is stopped. His next shot is blocked and goes out for a corner when the ball breaks his way. Despite taking Brentford an eternity to clear the ball, nothing happens. Christian Norgaard, who was fouled by Naby Keita and given a penalty, is not in a rush to get up. With around 30 minutes left,

Brentford is still ahead but struggling. After a very tense start to the second half, Liverpool don't appear to be nearly as dangerous, but the game's outcome is still very much up in the air. On the periphery of the Brentford penalty area, Salah and Keita team up to earn their team a corner, Norgaard, clearing Robertson's inswinger at the near post, sends the ball carelessly upfield.

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Inviting Liverpool on to them, Brentford is seated perilously deeply. There seems to be action on the substitutes bench behind Thomas Frank, therefore it might be time for a Thomas Frank shuffle.
Following a sloppy touch by Norgaard that gave Mo Salah the ball and allowed him to play the Uruguayan in behind, 

Darwin Nunez misses a low, diagonal shot way to the right of the far post, Trent Alexander-Arnold does a great job of winning the ball and clearing it as three Brentford players line up at the far post to receive a cross from the right, a corner is won by Liverpool. Ethan Pinnock heads clear Andy Robertson's delivery.

Brentford makes a double replacement

Moments before Brentford makes a double replacement, Darwin Nunez gets arrested for something or other: Matthias Jensen and Yoane Wissa, who have both played really well, are replaced by Josh Dasilva and Keane Lewis-Potter. Trent Alexander-Arnold is set up by Mo Salah's low pass into the Brentford penalty area and Naby Keita's touch. He tries to move the ball to his prefered right rather than shooting with the left foot, which we know he can utilise, initially. Brentford unimpeded