Arsenal attained the top spot on the Premier League leaderboard as the Gunners thrashed Nottingham Forest 5-0 at the Emirates on Sunday night.
Mikel Arteta's men started superbly and took the lead in the 5th minute as Gabriel Martinelli converted a cross from Bukayo Saka.
However, Arsenal suffered a major setback in the mid of the first half after Saka limped off the field.
But Saka’s replacement Reiss Nelson ensured the Gunners' surge with a brace in the second half. Thomas Partey and Martin Odegaard also scored a goal each to complete a 5-0 rout of Nottingham Forest.
With the win, Arsenal are now two points ahead of defending champions Manchester City on the Premier League points table.
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Manchester United vs West Ham
In the second match, Marcus Rashford's 100th goal for Manchester United in all competitions helped Erik ten Hag's men beat West Ham United 1-0 at the Old Trafford.
After a slow start, The Red Devils up their game in the 38th minute when Rashford netted a powerful header to give United a 1-0 lead. Star striker Cristiano Ronaldo, who was making just his third league start of the season, wasted a golden opportunity to double United's lead at the start of the second half.
West Ham, meanwhile, looked a different side in the second half as they piled up more pressure on United's post. But David de Gea made tremendous saves to deny West Ham any chance to stage a comeback.
After the win, Manchester United are at the 5th spot, three points behind third-placed Tottenham Hotspurs and one point adrift 4th placed Newcastle United.