Story of the match
It was a slow start from Arsenal and an excellent and dominant start from the Saints with James Ward-Prowse hitting the bar from a corner.
Arsenal had got forward on a few occasions but didn't offer any sort of threat towards the Saints back line and Fraser Forster.
This was the same story until the 24th minute when Mo Elneny lost the ball in a dangerous area which led to Southampton netting the opener by a shot from Walker-Peters and an outstretched leg by Gabriel.
After the opener Arsenal had a job to do with the incoming pressure from Southampton and had to face a few shots from the forward players.
Arsenal were lacklustre and slow from the get go and Southampton took advantage of this.
The half time whistle blew and Arsenal had 54.4 % of possession to Southamptons 45.6%. The saints had a total of seven shots and Arsenal only had just three.
The second half
Arsenal fans were hoping for a few changes from Mikel Arteta but this was not the case, the same players came out for the second half and didn't have a good start with Southampton piling the pressure on early on and leading the Gunners into making mistakes.
A big chance fell to Rob Holding in the 59th minute when the ball dropped nicely to him six yards out but he blazed over the bar.
Arsenal had hope for a penalty in the 70th minute when a cross from the right strikes Walker-Peters on the hand but after a quick review nothing came from it.
With 20 minutes remaining Arsenal tried to put Southampton under pressure but the Saints back line held tight until the final whistle.
With only days left in the window it clearly shows Arsenal are short in some positions and lack creativity without Emile Smith Rowe in the side.
This proves to be a vital few days left in the January transfer window to sort things out.
Arsenal travel back up to St Marys on Tuesday for Premier League action with the Gunners set to start with the same team that beat Newcastle just a few days ago.