Just one minute remaining and Southampton, despite committing many players forward, have still failed to carve out any chances of note in this added time. Surridge goes down with a head injury and there is a stoppage in play.
90' +2
Two minutes into added time and Forest are keeping the ball well in the Southampton half and frustrating the home side.
90'
Southampton are committing plenty of men forward and Elyounoussi and Adams nearly combine around the edge of the box but the Forest defence clears again.
There will be four minutes of added time in this second half.
89'
S. Armstrong gets yellow.
Stuart Armstrong misjudges the bounce of the breaking ball from the corner and takes out Scarpa as he looks to break. It's a yellow card for the midfielder.
88'
Southampton win another set of corners as they search for an equaliser but both are cleared by this resolute Forest defence.
87'
Meanwhile, Southampton have moved to a 4-3-3 formation with Stuart Armstrong slotting into midfield alongside Ward-Prowse and Aribo.
86'
Williams, who normally plays in defence, looks like he will operate at right-wing having come on for Johnson.
85'
S. Armstrong enters the game and replaces Lyanco.
Saints make an attacking change with defender Lyanco off and attacking midfielder Stuart Armstrong on to replace in.
84'
N. Williams enters the game and replaces B. Johnson.
H. Toffolo enters the game and replaces Renan Lodi.
Forest turn to their bench again for another double change. Johnson receives a round of applause from the away fans as he comes off for Williams in a clearly defensive switch.
Lodi also makes way at left-back and is replaced by Toffolo.
Minute
Description
81'
Adams, the Southampton player who went down, is back up and running after treatment.
80'
There is a pause in play with a Southampton player down receiving treatment.
78'
Scarpa and Lodi combine well down the left-hand side but just like Surridge's cross moments earlier, Lodi's floated cross is cleared with few attackers in the box to contest for it.
75'
Adams gives the ball away and Forest can break. Surridge makes a lung-busting run up the pitch but he is lacking support and his low cross into the box is easily cleared by the Southampton back line with few Forest attackers in the box.
74'
As Southampton look for an equaliser, they are stretching themselves at the back and Forest have almost capitalised again on a number of occasions.
71'
Gustavo Scarpa enters the game and replaces M. Gibbs-White.
S. Surridge enters the game and replaces T. Awoniyi.
The goalscorer is unable to continue and is replaced by Surridge.
Cooper makes a double change from the bench with Scarpa coming on in the place of Gibbs-White as well.
70'
Awoniyi, who has been a livewire for Forest throughout this game, is down and receiving treatment.
68'
The Saints substitutes look to add some energy to the home side's attack. Adam Armstrong combines with Aribo but the midfielder's left-footed effort is well blocked by Lodi before Ward-Prowse brings down Colback and gives away a foul.
64'
A. Armstrong enters the game and replaces S. Mara.
J. Aribo enters the game and replaces R. Lavia.
S. Edozie enters the game and replaces R. Perraud.
Nathan Jones turns to his bench for the first time in this second half with a triple change. First off is Lavia who is replaced by Aribo in midfield.
Adam Armstrong is on for Southampton's final sub of this triple change with Mara coming off in the forward line.
Perraud also makes way and is replaced by Edozie.
60'
J. Colback enters the game and replaces O. Mangala.
Forest make their first change with Colback coming on for Mangala in central midfield.
58'
Ward-Prowse delivers but Boly clears well for Forest.
57'
Southampton win another foul on the right-hand side after Johnson bundles over Walker-Peters.
55'
It's back-and-forth action as we start this second half but no clear-cut chances as of yet. Forest nearly create an opportunity with Mangala and Johnson trying to combine in the Southampton penalty box but the Saints defence clear.
51'
Henderson nearly makes a mess of a clearance as he comes off his line but the Forest goalkeeper eventually manages to clear his line. Walker-Peters gets the ball from the resulting throw-in but his pass goes out for a goal kick after a miscommunication with the Southampton forwards.
49'
Southampton win a couple of early corners. Ward-Prowse's second delivery is met by Caleta-Ca but the defender's header isn't kept down and it is over the bar.
47'
It is Southampton being sloppy at the back once more and the ball breaks to Awoniyi this time. The forward takes on the effort first time but his effort goes high and over the bar from outside the box.
46'
Southampton get the second half underway.
45' +3
HALF-TIME: Southampton 0-1 Nottingham Forest
45'
B. Johnson gets yellow.
R. Perraud gets yellow.
There will be three minutes of added time here at St. Mary's Stadium.
Johnson is booked for his part in the incident as well.
Perraud and Johnson get into a tussle off the ball. There is pushing and shoving and a head-to-head and the referee books the Southampton wing-back.
44'
Walker-Peters makes another encouraging run down the right and is fouled this time by Mangala. Ward-Prowse stands over the free-kick but Aurier rises to clear the cross.
42'
R. Freuler gets yellow.
Freuler gives away the ball to Elyounoussi and fouls the Saints winger as he looks to break. The Forest midfielder receives the first yellow card of the game.
Lodi has another deep free-kick for Forest. However, this time his cross is overhit and Bazunu comes off his line to comfortably claim the cross.
39'
The Forest fans in the away end are in fine voice as the first half enters its final six minutes.
36'
There is more attacking proficiency from Forest who work the ball well down the left flank. Gibbs-White directs a cross into the heart of the penalty box but Yates is unable to generate the power nor the direction to trouble Bazunu greatly in the Southampton goal.
34'
D. Ćaleta-Car enters the game and replaces A. Bella-Kotchap.
Bella Kotchap has gone down and won't be able to continue. He is replaced in central defence by Caleta-Car.
31'
Southampton are pressing forward and looking for an equaliser having gone a goal down. Forest's defence has been resolute so far and they possess a potent threat on the break as the opening goal showed.
27'
T. Awoniyi has scored a goal for Nottingham Forest! Assist by B. Johnson.
It's a good break from Johnson and a selfless pass across the goal to set up Awoniyi to tap home.
GOOOOOOAAAAALLLL!!! FOREST TAKE THE LEAD!!! Awoniyi has broken the deadlock in this tie after an awful mistake from Southampton. Lyanco slips under pressure and misplaces his pass. Johnson pounces onto the ball and the forward breaks forward on goal before squaring the ball to Awoniyi who has the simple task of sweeping the ball home into an empty net.
24'
Gibbs-White crosses it in but Southampton are able to clear.
Forest are on the attack again with Awoniyi but Salisu is in the right place to make an excellent interception to derail Awoniyi's jinxing run. Forest recycle the play, though, and win another corner.
22'
Forest have a free-kick which Lodi lofts in the box from long range. The ball bounces around and eventually falls at the feet of Gibbs-White but his effort is tame and goes well wide of the right-hand post.
20'
It has been a lively start with both sides keen to get men forward. Perraud and Walker-Peters combine again but the latter contests for a header in the box and sends it out for a goal kick.
19'
Ward-Prowse stands over the free-kick but, this time, Southampton's set-piece specialist sends his effort comfortably over the bar.
18'
Walker-Peters makes a bright burst down the right flank and his low cross finds Elyounoussi on the edge of the box who can't find the space to shoot but goes down and wins a foul in a promising position for Saints.
16'
Gibbs-White's corner is cleared away to the edge of the box but Mangala's effort is sliced and comfortably retrieved by Bazunu.
15'
The wide forwards of Awoniyi and Johnson are causing Saints plenty of problems down the flanks. Johnson steals the ball and wins a corner for the away side.
8'
Southampton win a foul on the right-hand side but Southampton give away a foul from the cross with Bella Kotchap's high boot catching Yates.
5'
Southampton are seeing more of the ball in the early stages. Bella Kotchap looks for a crossfield ball towards Perraurd but Aurier contests the ball and heads it back to Henderson. He goes down but the Ivorian is okay to continue.
4'
It is the early stages but it looks as if Gibbs-White will be dropping deeper away from the front line with Awoniyi and Johnson forming a more traditional front two.
1'
Forest get this match underway!
Forest concede a late free-kick on the left-hand side and goalkeeper Bazunu is up for the home side. The ball is whipped in but the header is wide from Southampton.
Hello and welcome to this live commentary for the Premier League fixture between Southampton and Nottingham Forest from St. Mary's Stadium.
This relegation battle is a must-win game for both sides. Southampton head into this fixture bottom of the Premier League and without a win in their two league fixtures since the end of the World Cup. Nathan Jones' side could leapfrog their opposition with a win tonight and escape the relegation zone if other results go their way.
Nottingham Forest enter this fixture off the back of an impressive 1-1 draw against Chelsea but are winless in the League since the return to action. Steve Cooper's side sit 18th and in the relegation zone on goal difference but a win tonight would see them escape the relegation zone.
SOUTHAMPTON SUBS: Ainsley Maitland-Niles, Duje Caleta-Ca, Adam Armstrong, Joe Aribo, Ibrahima Diallo, Moussa Djenepo, Willy Caballero, Stuart Armstrong, Samuel Edozie.
SOUTHAMPTON (3-4-2-1): Gavin Bazunu; Lycano, Armel Bella Kotchap, Mohammed Salisu; Kyle Walker-Peters, Romeo Lavia, James Ward-Prowse, Romain Perraud; Mohamed Elyounoussi, Sekou Mara; Che Adams.
NOTTINGHAM FOREST (4-3-3): Dean Henderson; Serge Aurier, Joe Worrall, Willy Boly, Renan Lodi; Ryan Yates, Remo Freuler, Orel Mangala; Brennan Johnson, Morgan Gibbs-White, Taiwo Awoniyi.
NOTTINGHAM FOREST SUBS: Steve Cook, Neco Williams, Jack Colback, Wayne Hennessey, Harry Toffolo, Scott McKenna, Sam Surridge, Gustavo Scarpa.
Steve Cooper, meanwhile, names an unchanged Forest side from their 1-1 draw against Chelsea.
This will be the first meeting between Southampton and Nottingham Forest in any competition since the 2011-12 Championship campaign when Saints won home and away against them.
There were boos from the home fans as Southampton left the pitch and Nathan Jones will need a much-improved second-half performance from his side who have had just two shots and failed to lay a glove on their relegation rivals. Steve Cooper will be looking for more of the same from his Forest side who have attacked with pace and purpose and reduced the home side to few goalscoring opportunities.
Thanks for tuning in - that is all for today!
It is FA Cup third-round fixtures next for both sides on Saturday with Southampton travelling to face Crystal Palace while Nottingham Forest travel to face Blackpool.
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