Spilled one saveable shot, and didn't appear confident.
Did not offer much attacking support, and Long's pace gave him problems.
Often strode out of the defensive line to make challenges, and was lucky not to be caught on it.
Caught in possession in his own half in the move that led to the second goal.
For long spells, he did not have a lot to do, but was not in sync with the rest of the defence.
Mohamed El Nenny
His distribution was bang average until an injury saw him taken off in the first half.
Ran down dead ends regularly as he failed to impress.
His energy was admirable, but Southampton were happy to let him fore away from range all game.
Some enticing flicks to set plays in motion but when he was put in the clear, he fluffed his lines.
Two dreadful passes ruined attacks and set the visitors on the break in one fell swoop. No goal threat.
The midfielder was guilty of waiting too long on the ball to make up his mind.
Kept his head and his hands steady whenever he was called upon.
Tormented Jenkinson out wide, driving forward to lash in the opener after setting the events of Clasie's goal in motion.
One turnover nearly left him critically out of position, but he was otherwise solid.
Walked a fine line after picking up an early yellow card, but a late clearance off the line made up for it.
V. van Dijk
Once again, the imposing defender put together a fine showing at the back, shutting down the likes of Lucas.
Not much presence on the left flank as he fluttered in and out of the game.
Always seemed to be able to pick Arsenal's pocket, and was key in the build-up to the second goal.
He worked hard for the team, closing down the opposition and distributing effectively.
Hammered in the opening goal with an unstoppable shot, and was everywhere in the midfield.
Kept his head to square for Bertrand to add the second goal, and went close with a run of his own.
His pace and willingness to run the channels was key for the Saints, although had he taken one or two chances, then the game could have been well out of sight.