Last updated on .From the section Football

Southampton midfielder Wanyama had only been on the pitch 10 minutes before scoring

Wilfried Bony sent off on return to side

Wanyama's first Saints goal gives them the win

Southampton up to second in the table

Swansea have not scored in four games against Saints

Victor Wanyama came off the bench to score his first Southampton goal and continue their impressive start to the season with a win over 10-man Swansea.

The midfielder produced the game's one real moment of class with a neat 12-yard finish with 10 minutes remaining.

The Saints had dominated the second half thanks largely to the sending off of Swansea's Wilfried Bony for two clumsy fouls just before the break.

Swansea had started stronger but were unable to hold out with 10 men.

'Complicated' victory pleases Koeman

The win moves Southampton up to second in the table and continues what is a remarkable start to the campaign following a summer in which Ronald Koeman's predecessor as manager, Mauricio Pochettino, and five key players left St Mary's.

It represents only the third time that Saints have won three games in a row since returning to the Premier League in August 2012.

However, they were assisted hugely by the decision of Jonathan Moss to send off Bony. The striker made two challenges in his 38 minutes on the pitch - a body check and then late tackle from behind, both on Maya Yoshida - both of which were more clumsy than callous, and was booked for both.

Swansea boss Monk was irate at the decision, even more so when Jose Fonte escaped a second yellow card for a similar offence to Bony's.

Southampton's scoring spree fuels success Southampton have now failed to score in only one of their previous 16 Premier League away matches - in the 0-0 draw against Aston Villa in April. They have now won three on the trot and only lost one of their last nine league matches.

Last season's top scorer - who was dropped for last weekend's loss at Chelsea after returning late from international duty and is without a goal yet this season - clearly had a point to prove and almost did so in a positive fashion with a glancing header from a corner that would have found the net but for Ryan Bertrand on the goal-line.

Prior to the sending off, Swansea had the better of a closely-contested game.

Wayne Routledge flashed a volley narrowly wide then clipped the corner of the goalframe after he had been put through on goal by Gylfi Sigurdsson, who also had an effort saved by Fraser Forster.

Southampton have lost just one of their last nine games

Southampton's only real chance before the break was a tame shot on the turn by Graziano Pelle.

In the second half, though, Southampton, who had only lost one of their previous eight matches, were much more adventurous.

Pelle had two headers saved by Fabianski and fellow summer-signing Dusan Tadic fired a deflected shot on to the roof of the Saints net.

However, it looked as though Swansea were ultimately going to deny Southampton a third successive victory over them until Wanyama's late input.

Bony red card difficult for Swans - Monk

In the 28th game of his Southampton career, the Kenyan produced his first goal by firing a rising shot into the far corner to give Koeman's side a healthy haul of 10 points from their five Premier League games.

Swansea manager Garry Monk: "I would question the first free-kick against Wilfried Bony. Whether it was a yellow or not I don't know. The second one was a foul but there was no malice in it. It puts us in a difficult position.

"We were by far the better team in the first half. And in the second, the only shot they really had on goal was the one they scored from, which was the one time we switched off and got punished. But we will pick ourselves up and go again."

Southampton manager Ronald Koeman: "It was difficult. We didn't play well in first 20 minutes. Swansea played well and we lost a lot of balls. It was complicated, but finally the result counts and it is a very good win.

"I don't like to talk about yellow and red cards. When it was 10 v 11 it was more easy for us. We didn't create a lot but we scored the goal."

Line-ups

Match Stats

Live Text Line-ups Swansea 1 Fabianski

22 Rangel

33 Fernández

6 Williams

3 Taylor

8 Shelvey

4 Ki Sung-yueng Substituted for Emnes at 85' minutes

12 Dyer Substituted for Montero at 59' minutes

23 G Sigurdsson

15 Routledge

10 Bony Booked at 39mins Substitutes 11 Emnes

14 Carroll

18 Gomis

20 Montero

25 Tremmel

27 Bartley

29 Richards Southampton 23 Forster

2 Clyne

6 José Fonte Booked at 21mins

3 Yoshida Booked at 31mins Substituted for Gardos at 45' minutes

21 Bertrand Booked at 48mins

16 Ward-Prowse Substituted for Wanyama at 69' minutes

18 Cork Substituted for Davis at 64' minutes

4 Schneiderlin Booked at 89mins

7 Long

19 Pellè

11 Tadic Substitutes 1 Davis

5 Gardos

8 Davis

12 Wanyama

24 Mayuka

33 Targett

38 McQueen Referee : Jonathan Moss Attendance : 20,596 Match Stats Live Text Post update Match ends, Swansea City 0, Southampton 1. Full Time Second Half ends, Swansea City 0, Southampton 1. Post update Attempt missed. Steven Davis (Southampton) right footed shot from outside the box is too high. Assisted by Shane Long. Post update Attempt missed. Graziano Pellè (Southampton) left footed shot from the left side of the box is close, but misses to the left. Assisted by Dusan Tadic. Booking Morgan Schneiderlin (Southampton) is shown the yellow card for a bad foul. Post update Foul by Morgan Schneiderlin (Southampton). Post update Jefferson Montero (Swansea City) wins a free kick on the left wing. Post update Foul by Shane Long (Southampton). Post update Marvin Emnes (Swansea City) wins a free kick on the right wing. Substitution Substitution, Swansea City. Marvin Emnes replaces Ki Sung-Yueng. Post update Corner, Swansea City. Conceded by Jose Fonte. goal Goal! Goal! Swansea City 0, Southampton 1. Victor Wanyama (Southampton) right footed shot from the right side of the box to the top left corner. Assisted by Graziano Pellè. Post update Nathaniel Clyne (Southampton) wins a free kick in the defensive half. Post update Foul by Jefferson Montero (Swansea City). Post update Offside, Southampton. Steven Davis tries a through ball, but Victor Wanyama is caught offside. Post update Foul by Wayne Routledge (Swansea City). Post update Shane Long (Southampton) wins a free kick in the defensive half. Post update Corner, Southampton. Conceded by Ashley Williams. Post update Attempt saved. Dusan Tadic (Southampton) left footed shot from outside the box is saved in the bottom right corner. Post update Foul by Ashley Williams (Swansea City). Page 1 of 5 rewind previous Navigate to the next page next Navigate to the last page forward

Bony replaced Bafetimbi Gomis in the Swansea starting XI against Southampton

Bony, who was linked with a move away from Swansea in the summer, has yet to score this season

Southampton continued their recent dominance over Swansea, who they did the double over last season