Anthony Taylor is the referee for this clash.
Liverpool: Alisson, Alexander-Arnold, R. Williams, Phillips, Robertson, Fabinho, Wijnaldum, Thiago, Jota, Salah, Firmino. Subs: Adrian, Kelleher, Mane, Jones, Tsimikas, Shaqiri, Origi, Woodburn, N. Williams
Manchester United: Henderson, Wan-Bissaka, Bailly, Lindelof, Shaw, Fred, Pogba, McTominay, Fernandes (c), Rashford, Cavani. Subs: de Gea, Telles, Tuanzebe, Williams, Amad, Mata, Matic, van de Beek, Greenwood
Hello and welcome to our live coverage of this Premier League clash between Manchester United and Liverpool at Old Trafford. A fan protest against Manchester United owners the Glazers has been the major talking point so far. The match was postponed because of a previous one and the United fans are not letting up.
KICK-OFF! Underway at Old Trafford. Manchester United kick off.
Alexander-Arnold looks to play Firmino in. The Brazil international looks to play across goal for Jota, but Bailly slides in to turn behind.
Wan-Bissaka finds Cavani at the near post, but he heads off target.
CHANCE! Alisson plays the ball straight into the path of Cavani. Rhys Williams races across and just puts Cavani off and he fires just wide of goal.
There have been scares at both ends in the early minutes, but United are doing most of the attacking at the moment.
GOAL, UNITED, FERNANDES! 1-0: Wan-Bissaka picks out Fernandes and his shot goes in via a couple of deflections! United are rewarded for their pressure.
Liverpool have had a spell in possession now as they look to find a way to level the scores.
Robertson crosses from the left. Dean Henderson takes a swipe at it, but the flag is up for offside regardless.
Liverpool are struggling to make headway against a well-organised Manchester United side.
Alexander-Arnold picks out the run of Jota inside the area, but Henderson comes out and smothers him, making the save!
PENALTY! Anthony Taylor has awarded a penalty to Liverpool for a foul from Bailly, but he has made contact with the ball first. United players are pleading with Anthony Taylor, who goes to VAR.
PENALTY DISALLOWED! The penalty is reversed. That is the correct call. Bailly won the ball.
Shaw's corner is headed away at the far post. That's another corner for United, which is taken short for Fernandes. Pogba heads across goal and wide.
Jota unleashes a fierce strike on the volley from the edge of the box, taking a touch off Robertson's pass and then smashing the ball at goal. Henderson makes the save.
GOAL, LIVERPOOL, JOTA! 1-1: Phillips' shot is flicked in by Jota and Liverpool are level!
Alexander-Arnold plays another ball into the penalty area from deep, but Henderson holds on, alert to the danger once again.
Pogba drives into the box, but fires just wide of the target.
HALF-TIME: MANCHESTER UNITED 1-2 LIVERPOOL. United drew first blood through Fernandes, but Jota and Firmino have put Liverpool in front at Old Trafford!
GOAL, LIVERPOOL, FIRMINO! 1-2: Liverpool heads home at the far post off a wonderful Alexander-Arnold free-kick!
The half-time break draws nearer as we head into three minutes of stoppage time.
The second half is underway at Old Trafford.
GOAL, LIVERPOOL, FIRMINO! 1-3: Alexander-Arnold pinches the ball off Shaw and goes for goal. His effort is parried by Henderson into the path of Firmino, who makes it a brace!
Bailly picks up a yellow card for a foul on Jota.
United were dominant in the early stages, but it's a long way back from here.
If the score stays as is, not much will change for Manchester United, but Liverpool will move into fifth place, only four points behind fourth-placed Chelsea with a game in hand.
Salah, Firmino... JOTA! He smashes the post!
Alexander-Arnold is played in behind and goes for goal, but Henderson makes the save.
Liverpool are utterly dominant at the moment. United are on the ropes.
GOAL, UNITED, RASHFORD! 2-3: Cavani plays the ball in behind for Rashford, who slides the ball in off the far post! Lifeline for United!
There's a scramble in the Liverpool box. United hit the post and Greenwood just can't finish off!
United continue to search for an equaliser. Mane is on in place of Jota. Liverpool are still doing their best to get another goal themselves.
Rashford gets in behind on the left, cuts inside and hits the side-netting.
McTominay picks up a yellow card for a foul in midfield.
Cavani goes in hard on Thiago and picks up a yellow card.
Matic is on for Manchester United in place of Bailly.
GOAL, LIVERPOOL, SALAH! 2-4: Liverpool pinch possession via Fabinho in midfield and Salah is away. He slots into the bottom corner and Liverpool are all but home and dry!
We are into four minutes of stoppage time.
Neco Williams is on for Liverpool in place of Salah.
FULL-TIME: MANCHESTER UNITED 2-4 LIVERPOOL. Liverpool have claimed a massive three points in the race for UEFA Champions League football as the game ends with Rashford firing just wide.