Wenger v Mourinho: Previous Premier League meetings
Arsene Wenger takes his Arsenal side to face Jose Mourinho's Manchester United at Old Trafford on Saturday.
The Gunners boss has never beaten the Portuguese in the Premier League - with Mourinho largely winning the battle between the pair during two spells as Chelsea manager.
Here, Press Association Sport looks back at the previous league meetings between Wenger and one of his long-term adversaries.
September 19, 2015 - Chelsea 2 Arsenal 0
This was just a second league win of the season for Mourinho's struggling champions as Kurt Zouma put the Blues ahead before Arsenal defender Gabriel was sent off before the break. Santi Cazorla's dismissal saw Arsenal go down to nine men, with a last-minute Calum Chambers own goal sealing the points for Chelsea.
April 26, 2015 - Arsenal 0 Chelsea 0
A battling draw for champions-elect Chelsea as they brought an end to a fine run of wins for their hosts. Wenger's side created far more chances but the point took Mourinho's men 10 points clear of Manchester City at the summit.
October 5, 2014 - Chelsea 2 Arsenal 0
Wenger and Mourinho clashed on the touchline as Eden Hazard put Chelsea ahead from the penalty spot. Diego Costa's ninth goal in seven games following his arrival from Atletico Madrid wrapped up the points and put Chelsea five points clear at the top of the table.
March 22, 2014 - Chelsea 6 Arsenal 0
Wenger's 1000th game in charge of Arsenal was one to be remembered for all the wrong reasons for the long-serving Frenchman. Early goals from Samuel Eto'o and Andre Schurrle put Chelsea in charge before Kieran Gibbs was incorrectly sent off for an Alex Oxlade-Chamberlain handball which saw Hazard score from the spot. A brace from Oscar and a strike from Mohamed Salah secured Mourinho's biggest-ever win as Blues boss.
December 23, 2013 - Arsenal 0 Chelsea 0
An instantly forgettable stalemate, which meant Arsenal missed the chance to top the table heading into Christmas. Frank Lampard hit the bar for Chelsea while Olivier Giroud missed two decent chances to take the points for the hosts.
May 6, 2007 - Arsenal 1 Chelsea 1
Wenger may not have managed to break his duck against Mourinho - but this draw at the Emirates Stadium saw Man United crowned champions at the expense of Chelsea. Gilberto Silva's penalty put Arsenal ahead after Khalid Boulahrouz had been sent off for fouling Julio Baptista, with Michael Essien pulling a goal back for the Blues.
December 10, 2006 - Chelsea 1 Arsenal 1
Mathieu Flamini's strike 12 minutes from time looked to have Arsenal on course for a rare Premier League win over Chelsea. But Essien levelled before both he and Lampard hit the woodwork in injury time as Mourinho's side pushed on for the victory.
December 18, 2005 - Arsenal 0 Chelsea 2
Chelsea moved nine points clear at the head of the table courtesy of a well-deserved win at Highbury. Arjen Robben scored before the interval before Joe Cole wrapped up the win after Thierry Henry had hit a post and Robin van Persie had a goal chalked out for offside when the scores were level.
August 21, 2005 - Chelsea 1 Arsenal 0
Didier Drogba's lucky goal secured a first Premier League win for Chelsea over their London rivals in almost a decade. The Ivory Coast striker tried to control a cross but saw the ball hit his knee and fly past Jens Lehmann to ruin Wenger's 500th game at the Arsenal helm.
April 20, 2005 - Chelsea 0 Arsenal 0
A win for Chelsea would have seen them claim their first title in 50 years and wrestle the crown from the reigning champions. I nstead the pair played out a goalless draw in which Robert Pires hit the bar and missed a great chance, while Drogba and Lampard threatened for the home side.
December 12, 2004 - Arsenal 2 Chelsea 2
The first Premier League meeting of Wenger and Mourinho saw both settle for the share of the spoils following an enthralling draw at Highbury. Thierry Henry opened the scoring in sensational fashion before putting the Gunners back in front with a quickly-taken free-kick after John Terry had equalised. Eidur Gudjohnsen scored the second leveller of the day for Mourinho's men, with Flamini seeing a late penalty appeal rejected.