Mikel Arteta confirmed that both Partey and Merino picked up injuries before the West Ham match and neither were in the squad that travelled to the London Stadium, in what was an unexpected shock that led to Jorginho completing 90 minutes for only the second time in the Premier League this season.

Gabriel Magalhaes was forced off at half time in Arsenal’s Premier League clash against West Ham on Saturday. The Brazil international opened the scoring with a header from a corner in the 10th minute as Mikel Arteta’s side went on to score four more in an impressive first half.

Arsenal have been left sweating on Gabriel's fitness ahead of their Manchester United clash with Mikel Arteta offering a worrying injury update.

Arsenal host Manchester United in north London on Wednesday and both teams have cause for optimism that their campaigns are back on track.

On Sunday, two of the top teams in the Premier League take to the pitch. Liverpool is the current leader in the standings, with 31 points through 12 matches. The team has 10 wins, one draw and just one loss in a dominant campaign.

Under pressure West Ham boss Julen Lopetegui wasn't on the touchline at the London Stadium as he served a one-match suspension as a result of accumulating three yellow cards this season. Leicester City vs West Ham is scheduled for a 8.