Herrera replaces Mata. Quiet game from him with few attacks from United today. Somehow, they are still ahead.
62'
No foul given as Long goes down with Jones just outside the box. The referee waves play on.
59'
The hosts piling on the pressure. Redmond crossed from the left and Long could only direct his header to the left of De Gea's goal.
56'
Redmond cut inside from the left and his low strike was saved by De Gea, who almost spilt it.
51'
The Southampton man latches onto a loose ball in the six-yard box and tries to find the bottom corner but it's deflected wide by Jones. The defender has been superb.
48'
The home side eager to level the scoring as they win a couple of corners.
45'
Forty-five minutes of football to come here at St. Mary's.
45'
United lead at the break thanks to Lukaku's strike but the hosts are not giving up and have played some good football in the first half.
44'
United break well down the middle with Mkhitaryan who opens up for Lukaku to provide the low cross. Hoedt is there to send the ball behind for a corner.
42'
Yellow card Young for a tackle from behind on Tadic.
36'
Long caught Fellaini with an accidental stomp on his heel and the referee brandished a yellow card for the Irishman.
32'
Mkhitaryan played a neat one-two with Rashford before being nudged off the ball by Lemina in the box. Nothing given.
30'
Saints deep in United's half, passing the ball around with the visitors pinned inside their own area.
26'
Rashford hit the free kick from 25 yards and the ball whistled inches past the wrong side of the post.
19'
United's first long spell on the ball. It's worked out to Rashford on the left win, he cuts inside and finds Lukaku with a cross. Forster saves the initial header but the Belgian pounds in the rebound.
13'
United have struggled to get forward and have only had a couple of corner to their favour which were dealt with easily. The hosts knocking the ball around well.
9'
The ball falls for Redmond at the back post but he blazes his left-footed strike high and wide,
7'
Rashford gets to the byline and tries to go round Romeu who sticks his leg in to give away a corner kick.
3'
No team settling on the ball in the early minutes. Phil Jones cleans up a long ball well.
1'
The hosts get the ball rolling at a packed St. Mary's Stadium.
Start of match
PRVW
The teams emerge to a lovely sunny day in the south coast of England. United in their black away strip with white shorts and Saints in their traditional red and white outfit.