Leandro Trossard and Kai Havertz celebrate the Belgian's goal at Old TraffordImage source, Getty Images
Image caption,

Leandro Trossard (right) was the match-winner at Old Trafford

Arsenal returned to the top of the Premier League and ensured the title race will go to the final day with victory over Manchester United at Old Trafford.

The Gunners delivered an unconvincing display against a severely depleted United side but did enough to secure the win that puts them one point ahead of Manchester City having played a game more.

Leandro Trossard struck after 20 minutes when lazy defending from struggling veteran Casemiro played Kai Havertz onside and his cross was turned in by the Belgian at the near post.

United showed plenty of endeavour but suffered from a glaring lack of quality and never seriously tested Arsenal keeper David Raya, as their own hopes of European football next season faded further.

Arsenal must now hope north London rivals Tottenham Hotspur do them a favour by getting a result at home to Manchester City on Tuesday.

The Gunners host Everton in their final game of the season next Sunday, while City are at home to West Ham.

Media caption,

Pundits criticise Casemiro's 'schoolboy' error

Ratcliffe sees size of task ahead

Media caption,

Man Utd 0-1 Arsenal: Erik ten Hag disappointed after loss

Co-owner Sir Jim Ratcliffe chose to cast another eye over Erik ten Hag's struggling side rather than travel to Wembley to watch United win the Women's FA Cup for the first time.

It is hard to work out what Ratcliffe would have learned from watching another home defeat - other than it simply re-affirming the size of the job he has on his hands lifting this fallen football giant.

United's squad, hardly fit for purpose when all players are available, was stripped of key assets such as captain Bruno Fernandes, who watched from the directors' box with a pained expression.

Ten Hag, his smart suit soaked by a torrential downpour amid a thunderstorm that hit Old Trafford late on, will point to his lack of resources - and rightly so on this occasion.

But the fact United were unable to cause Arsenal keeper Raya any serious problems was a sobering lesson in the current state of the Red Devils.

Kobbie Mainoo tried to galvanise the hosts' midfield while Alejandro Garnacho ran tirelessly out wide, but it was a tough afternoon for young striker Rasmus Hojlund, who got very little change out of Arsenal defensive duo William Saliba and Gabriel.

United are a club that needs a reboot and re-invigoration and - while this was not the day to make judgements on Ten Hag - it is becoming increasingly difficult to see how the Dutchman can be part of the new era and structure under Ratcliffe.

Arsenal fans sing in rain as title bid rolls on

Media caption,

Man Utd 0-1 Arsenal: Mikel Arteta criticises Gunners' display despite win

The elation of Arsenal's fans at this vital win was not dampened by the storm that arrived in Manchester just before the final whistle as skies darkened and lightning flashed around the stadium.

Arsenal know Manchester City's fate still lies in the champions' own hands and two wins against Spurs and West Ham will take a fourth successive title to Etihad Stadium.

Mikel Arteta's side, however, have done all they can and two hazardous-looking fixtures - away to Spurs in the north London derby and here at United, where they have suffered before - have been safely negotiated.

No matter that this was an Arsenal display lacking their usual fluency - at this stage of the season the only currency that counts is wins and the visitors did the job.

Once again Trossard made the difference with a trademark swoop at the near post ahead of Casemiro and Aaron Wan-Bissaka for the decisive moment.

Arsenal will now hope Spurs boss Ange Postecoglou is as good as his word and they can somehow raise themselves to upset City.

The Gunners still have a chance of their first title in 20 years going into the final game of the season - and they would have happily settled for that in August.

Player of the match

Number: 19 L. Trossard
Average rating 7.62
Number: 17 A. Garnacho
Average Rating: 5.10
Number: 37 K. Mainoo
Average Rating: 5.07
Number: 24 A. Onana
Average Rating: 4.97
Number: 16 A. Diallo
Average Rating: 4.92
Number: 20 Diogo Dalot
Average Rating: 4.77
Number: 39 S. McTominay
Average Rating: 4.68
Number: 11 R. Højlund
Average Rating: 4.63
Number: 29 A. Wan-Bissaka
Average Rating: 4.58
Number: 4 S. Amrabat
Average Rating: 4.51
Number: 35 J. Evans
Average Rating: 4.22
Number: 53 W. Kambwala
Average Rating: 4.19
Number: 84 E. Wheatley
Average Rating: 4.03
Number: 14 C. Eriksen
Average Rating: 3.98
Number: 62 O. Forson
Average Rating: 3.94
Number: 18 Casemiro
Average Rating: 3.77
Number: 21 Antony
Average Rating: 3.62

After the opportunity to rate players has closed, the score displayed represents the average from all the submissions by BBC Sport users.