Manchester United v Celta Vigo - As it happened
United go through to the Europa League final, but there was plenty of drama at the end. Fellaini scored in the first half and a late Roncaglia header put pressure on the hosts. The defender then got sent off along with Bailly, and the match went right down to the wire.
The end
So close Celta!
Guidetti just had to knock the ball in, but he does not manage.
Goal disallowed!
Herrera scored, but the goal is disallowed for a Pogba foul.
This is going right down to the wire...
Mourinho is pacing around nervously now.
Cabral yellow card
For an elbow on Fellaini.
6 added minutes
Rooney and Smalling came on
Before all the confusion the striker came on and Smalling came on to fill Bailly's place.
Bailly and Roncaglia off!
The two defenders got involved in a punch-up. Tempers flaring as they make their way to the tunnel.
Bailly and Roncaglia sent off!
Things warming up
A tussle in the midfield which gets everybody involved, including the linesmen.
Celta score with 5 minutes to go!
Celta get a goal back and are right in this. Roncaglia's header finds the bottom corner.
GOAL!
Yellow card Herrera
For a late tackle on Beauvue.
Beauvue on for Sisto
Carrick on for Mkhitaryan
What a chance Celta!
Guidetti in bags of space to head Mallo's cross past Romero, but the Swede misses the target.
Chance Celta!
Jozabed let fly a long shot which was not far wide.
Fellaini close!
The Belgian with a powerful shot down low and the keeper once again saves well.
Bongonda replaces Radoja
Yellow card Aspas
For protesting a challenge on Mallo.
Chance Rashford!
The striker did well dropping a shoulder in the area to find his way through to Alvarez, but the keeper spread himself to deny United a second goal.
Close Celta!
A good move from Celta and Mallo's cross finds Sisto at the back post. The winger pulled the ball back for Guidetti to flash the ball wide of the post.
Iago Aspas strikes!
Celta on top in the second half. Iago Aspas went for the long shot but it was straight at Romero.
Alvarez saves!
A thumping strike from Mkhitaryan which is parried away by the keeper.
Chance Celta!
Mallo got to the byline and went for the low cross, but Romero palmed the ball away. Guidetti was arriving...
Celta get us underway!
Half time substitution Celta
Wass is replaced by Jozabed.
Second half about to begin
The teams are back out for the second forty-five minutes.
Half time
No stoppage time here. Celta have had their chances and have put United under pressure, but the hosts took the lead with a header from Fellaini.
Chance Celta!
Sisto crossed from the left and Wass headed just wide with Romero beaten. That was close.
What a shot Sisto!
The winger's shot was curling straight for the top corner, but Romero gathered well.
Pogba over the bar!
The ball fell to the Frenchman at the edge of the box, and he blazed his effort over. He's appealing for a corner but a goal kick is given.
Yellow card Blind
The defender went down showing studs. Celta players want a red.
Chance Celta!
The Spaniards not giving up but with a lot of work to do. Hernandez tried to curl a shot into the top corner but Romero got a hand to it.
Shot United!
Mkhitaryan does well dancing around players before getting the ball to Lingard who turns around to strike and his effort is deflected for a corner.
Man Utd get a goal!
What a blow for Celta, who had got on to a flying start. United get hold of the ball and Rashford crossed brilliantly to the back post. Fellaini is there to head the ball inside the near post where Sergio Alvarez cannot save.
GOAL!
United fight back
The hosts manage to relieve the pressure with a couple of surging attacks, but the Spaniards are looking very dangerous and have claimed almost 70% of possession.
Save Romero!
Aspas again down the left, he cuts inside and has a go, but the keeper palm away.
The visitors on the ball
Good start from Celta to put a nervy United under pressure. Blind lost the ball and Aspas almost made him pay.
United get the ball rolling!
Europa League theme tune blares from the speakers
It can hardly be heard over the noise from the crowd. Handshakes between both teams underway.
And they're out!
Romanian referee Ovidiu Hategan leads the teams out to the piercing cheers from the stands. Fantastic atmosphere.
Everything ready at Old Trafford!
The players are ready to emerge from the tunnel, led by captains Valencia and Mallo. The visiting fans making plenty of noise as it is probably the most important match of their club's history. Mourinho also referred to the match in similar fashion.
10 minutes to go!
Atmosphere building up at Old Trafford. The last fixture before the big final...
Live updates of the second leg of the Europa League semi-final between Manchester United and Celta Vigo at Old Trafford.
A very promising fact for United...
United boast an impressive record in these games, so they will look to keep it up tonight.
Official lineups are in!
Manchester United go into the second leg with a decent advantage over Celta after Rashford's free kick gave the Red Devils a well-earned 0-1 victory in Spain. Old Trafford has proved to be an unbreachable fortress in the past, and it will have to be tonight to keep Celta's attacking power at bay and progress to the Europa League final.
Man United: Romero; Valencia, Bailly, Blind, Darmian; Fellaini, Herrera, Pogba; Lingard, Mkhitaryan, Rashford
Celta: Alvarez; Mallo, Cabral, Roncaglia, Jonny; Wass, Radoja, Hernandez; Aspas, Sisto, Guidetti