PAUL MERSON has warned Arsenal to be fully focused for Sunday's visit of in-form Burnley (2.15pm).
The two sides go up against each other at the Emirates Stadium having both won three of their last four Premier League games.
Former Arsenal striker Merson believes the Gunners should come out on top in north London, with Burnley yet to win on the road this season.
But Merson has urged his former club not to take anything for granted against Sean Dyche's side - insisting it will not be an easy three points.
He told Sky Sports: "The only thing that can beat Arsenal is their concentration wandering.
Five most valuable Arsenal players revealed
Tue, January 17, 2017Click through the gallery to reveal the five most valuable Arsenal players according to CIES Football Observatory
Click through the gallery to reveal the five most valuable Arsenal players according to CIES Football Observatory
"If Arsene Wenger's side think they can just turn up and win this game there might be a shock.
"If they go into the game fully focused there is only one winner, and that's Arsenal.
"Burnley are a completely different animal at Turf Moor but away from home I can't see them troubling the Gunners."