Arsene Wenger's last trip to Old Trafford as Arsenal manager ended in a 2-1 loss after Marouane Fellaini's injury-time header.

Marouane Fellaini headed a stoppage-time winner to earn Manchester United a 2-1 home victory in Arsene Wenger's last visit to Old Trafford as Arsenal manager.

Wenger, presented with a gift by old rival Alex Ferguson before kick-off, rested the likes of Mesut Ozil and Alexandre Lacazette with an eye on Thursday's Europa League semi-final, naming his youngest league XI since 2011's infamous 8-2 loss at United.

And the Frenchman's young side were on track to do him proud, Henrikh Mkhitaryan levelling on his Old Trafford return after Paul Pogba's early opener for United.

But although United's attack was depleted by an injury that forced Romelu Lukaku off early in the second half, Jose Mourinho's men came up with a late winner.

Ashley Young's inswinging cross from the left was perfect for Fellaini to rise highest in the box to flick home the decisive goal in the second minute of added time.

A sixth successive defeat away from home in the Premier League will be irrelevant if Wenger can inspire a tunraround away to Atletico Madrid as United secured a top-four finish and tightened their grip on second place.

Key Opta Facts:

- Manchester United completed a Premier League double over the Gunners for the first time since the 2011-12 campaign.

- Arsenal have lost six consecutive away league matches in the top-flight for the first time since January 1966, when they lost seven in a row.

- The Gunners are the only side in the top four tiers of English football yet to win a single point in an away league game in 2018 (P6 W0 D0 L6).

- Arsene Wenger lost his final match at Old Trafford as Arsenal boss – other than the Emirates and Highbury, he lost more matches at Old Trafford in all competitions as Arsenal manager than at any other ground (17).

- Manchester United have won all 10 of the Premier League games in which Paul Pogba has found the net – the only player with a better 100% record in the Premier League is Ryan Babel (11 games scored in, 11 won).

- Indeed, Pogba has now ended on the winning side in each of the last 18 league matches in which he has scored (10 for Man Utd, 8 for Juventus).

- This was Jose Mourinho’s 10th victory over Arsene Wenger in all competitions – the only managers he has beaten more often as a manager are Mark Hughes and Mauricio Pochettino (11 wins against both).

- Marouane Fellaini’s goal was the first 90th minute winner Manchester United have ever scored against Arsenal in the Premier League and the first in this fixture since January 2007, when Thierry Henry scored one at the Emirates in a 2-1 win for Arsenal.

- The average age of Arsenal’s starting XI for this game was just 24 years and 67 days, their youngest in a Premier League game since August 2011, which was also at Old Trafford against Man Utd (24y 65d); it was also the youngest line-up for a Premier League match this season.