Watford have one last crack at scoring. Cleverley feeds Deulofeu whose shot from range is blocked. It goes out for a throw but there's no time to take it - there's the final whistle!
90' +2
United enjoy some leisurely possession at the back to see out the final seconds of this match. They can be happy with their runout.
90' +1
United gallop towards goal again as Watford lose possession. Ighalo receives Fernandes' pass in the box and has a shot blocked by Cathcart.
90'
There'll be three minutes more of this.
89'
Chong nearly gets his first United goal! The Dutch teenager jinks in from the right and has a crack with his left foot. It's just wide of the left-hand post. United have some great attacking potential lurking in their squad.
87'
McTominay closes down Cathcart and concedes a free-kick to the visitors. Deulofeu goes for goal from outside the box from the free-kick - it clears the wall but it's straight at De Gea.
85'
Watford see the corner away. The visitors haven't played terribly today. United have just been very good.
81'
Those substitutions come after Capoue brings down Fernandes outside Watford's box. Matic finds Maguire to the left of the box with his free-kick but the United captain can't keep his shot down.
80'
T. Chong enters the game and replaces M. Greenwood.
T. Cleverley enters the game and replaces A. Doucouré.
O. Ighalo enters the game and replaces A. Martial.
Martial is next to make way - it's been another decent game for him. Ighalo comes off the bench to make his home debut for United.
Watford make their final change too. Cleverley comes on for Doucoure.
United's last substitution sees fellow goalscorer Greenwood go off. Chong replaces him.
79'
S. McTominay enters the game and replaces Fred.
There's a raft of substitutions now as both teams know this game is essentially done. United go first as Fred makes way for McTominay.
Minute
Description
76'
D. Welbeck enters the game and replaces T. Deeney.
Watford substitution. Deeney makes way for the former United striker Welbeck.
75'
M. Greenwood has scored a goal for Manchester United! Assist by Bruno Fernandes.
GOAL! 3-0 UNITED! Greenwood grabs his goal! Greenwood nicks the ball off Hughes, sends Capoue for an ice cream and lays out wide right to Fernandes. Fernandes returns the favour to Greenwood, who smashes the ball into the top-left corner. He's becoming some player already.
That was a simple assist for Fernandes, who's done his job well today. United have looked much better since he joined them in January.
74'
Watford still have a chance if they can score soon. The visitors keep the ball in United's half but neglect to create a chance. Hughes slips just outside the box and...
72'
Doucoure dribbles through midfield and Lindelof capitalises on his loose touch to boot the ball away, bringing both of them down in the process. No foul.
71'
Watford's corner causes United no bother at all. Watford keep possession and Doucoure curls a high cross into United's box. Shaw heads it down and carries the ball out of United's box.
70'
Sarr makes an immediate impression as he powers down the right to whip in a cross. Lindelof comes across to punt it out for a Watford corner.
69'
I. Sarr enters the game and replaces R. Pereyra.
Watford make their first substitution of the game. The quiet Pereyra is replaced by Sarr.
68'
United just keep coming for now. Fernandes rises high to fire a header wide of the right-hand post from the free-kick.
67'
C. Cathcart gets yellow.
Cathcart receives a yellow card for bringing down Martial as the Frenchman ran towards goal. It's an obvious decision.
66'
James drags a shot wide from the left of the box as he gets on the end of Greenwood's pass. The pace of James, Martial and Greenwood has caused problems for Watford today.
62'
The lively James dribbles down the left and wins another corner for United off Kabasele. Fernandes' delivery in doesn't make it past the first man.
60'
United look buoyed by that goal. The home side have played well enough to deserve their two-goal lead. They can probably see out the last half hour now.
58'
A. Martial has scored a goal for Manchester United!
GOAL! 2-0 UNITED! Martial scores a lovely goal! The Frenchman bursts into Watford's box and forces a save from Foster first. The save loops up nicely for Martial again, who dinks into the net at the near post after a clever turn.
57'
Watford clear the initial corner. Maguire faces the wrath of the offside flag as Matic tries to swing the ball back into the danger area.
55'
United get a corner as Fernandes swings the ball in from the left and Masina plays it safe at the far post.
51'
Watford get a chance! The visitors win a throw down their left and Masina gets the ball back off Doucoure to loft a cross in. Deeney nods it down at the far post and Doucoure's pass is blocked desperately by Shaw. Watford corner.
50'
Fred skids a pass out of play when looking for Greenwood wide right. There's still a faint whiff of sloppiness in United's game, despite their lead.
48'
United regain possession. James latches onto Fernandes' pass near the corner flag and cuts inside to crash a shot against Kabasele. Watford clear.
46'
Watford enjoy a spell on the ball and Wan-Bissaka intercepts Hughes' pass which is intended for Deulofeu. The right-back looks right at home in a United shirt.
45' +2
HALF-TIME: MANCHESTER UNITED 1-0 WATFORD
45'
United get the second half started. No changes at half-time.
42'
Penalty goal scored by Bruno Fernandes for Manchester United!
GOAL! 1-0 UNITED! Fernandes steps up to take the spot-kick. The Portuguese midfielder calmly sends Foster the wrong way and slots the ball to the keeper's right. That's his first goal for United.
39'
Matic gives Capoue a bit too much attention in Watford's half and concedes a free-kick. A United goal doesn't feel too far away.
37'
United are starting to up their game. James gets into the box, dragging Watford's backline deep with him. The Welshman finds Fred arriving on the edge of the area but the Brazilian can't keep his effort down.
36'
Now it's United's turn to have a pop. James jinks inside on his right foot and gets stars in his eyes as he fires high and wide.
35'
Watford get a shot on United's goal again. Deulofeu cuts in from the right and the visitors work the ball to Masina whose skidding shot from the left is no match for De Gea.
33'
Shaw concedes another corner for Watford as Deulofeu's cross is cleared. Again, United deal with it.
31'
United clear the corner without much fuss at all. It's been a decent start to the game for them but Watford look threatening when they have the chance to get forward.
27'
Watford's attack breaks down and United go hunting on the counter. Martial cuts inside but fires over from outside the box.
25'
Shaw collects a pass out to him and takes aim for the bottom left corner with a swerving shot. Foster reads it well and gets across to keep it out.
24'
A flurry of minor chances for United. Greenwood finds James to his left in the box and Foster makes a decent save. Fernandes' follow-up shot is blocked.
22'
Matic wins a free-kick in his own half as he's brought down by Hughes. Watford are doing their best to slow things down at the moment.
20'
United keep the pressure on without really getting anywhere. The flag goes up against James for offside. Martial goes on a solo run but quickly finds himself crowded out.
18'
United are by far the more proactive team at the moment, as you'd expect from them at home. Watford are holding firm for now though.
16'
United get their first decent chance of the game. Wan-Bissaka gets on the end of a cross from the left and fires whiskers wide at the far post.
14'
Watford get another decent opportunity. Doucoure beats his man in the box and carries the ball to the byline. He aims for the near post from a tight angle but hits the side netting.
11'
Hughes loses out to Fred on the edge of Watford's box. Fred finds Greenwood who lets fly with a shot straight at Foster. No threat to Watford's goal there.
9'
United are on top at the moment and labouring to create a chance. A Lindelof ball forward from the back ends up a routine catch for Foster.
7'
Fernandes drops deep and spots the run of Wan-Bissaka wide on the right. He looks for the full-back with a pass behind Watford's defence but there's too much power on it. Goal-kick.
5'
United are starting to compose themselves now. Shaw and James try a one-two down the left and Shaw is muscled off the ball by Dawson. No foul.
2'
Watford go on their first attack of the game. Hughes has time and space outside the box and pings a ball forward for a teammate to chase. Wan-Bissaka lets it roll safely out of play.
1'
And we're underway here at Old Trafford! Watford get things going.
James starts the game brightly, jinking down the left straight at Watson. The Welsh winger flings a high cross into the box which Foster catches easily.
Hello! Welcome to our live text commentary of this Premier League match between Manchester United and Watford at Old Trafford.
Man United remain inconsistent in the Premier League but still have hope for the final third of the season. Ole Gunnar Solskjaer's men did their top four hopes a world of good last time out as they impressively defeated Chelsea 2-0 at Stamford Bridge. Can they put a run of wins together now?
United's visitors here are Watford, who saw off United 2-0 in last December's reverse fixture. Nigel Pearson's team remain in trouble - after a six-game unbeaten run under their new boss, they've lost two of their last three Premier League games. A result here wouldn't go amiss for them.
MANCHESTER UNITED (4-2-3-1): David de Gea; Aaron Wan-Bissaka, Victor Lindelof, Harry Maguire (c), Luke Shaw; Fred, Nemanja Matic; Mason Greenwood, Bruno Fernandes, Daniel James; Anthony Martial.
SUBS: Tahith Chong, Scott McTominay, Juan Mata, Sergio Romero, Eric Bailly, Brandon Williams, Odion Ighalo.
WATFORD (4-2-3-1): Ben Foster; Craig Dawson, Christian Kabasele, Craig Cathcart, Adam Masina; Etienne Capoue, Will Hughes; Roberto Pereyra, Abdoulaye Doucoure, Gerard Deulofeu; Troy Deeney (c).
SUBS: Tom Cleverley, Adrian Mariappa, Andre Gray, Nathaniel Chalobah, Danny Welbeck, Heurelho Gomes, Ismaila Sarr.
There's a minute's silence in memory of Harry Gregg, the former United goalkeeper who passed away last week aged 87. Man United wear their iconic red shirts and white shorts. Watford look buzzing in their usual yellow and black.
United continue their strong run of form then. If they carry on like this, a Champions League spot looks eminently achievable. Watford still have plenty of time to save themselves. That's all for now. Goodbye!
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