Arsenal triumphed 2-0 in the derby against West Ham, to confirm their excellent form in the Premier League.
The Gunners were rewarded with goals scored by Rice in the 38th minute and Saka in the 67th minute to take 3 important points in the race for first place.
This success moves Arteta's men to the top with 16 points, awaiting the Liverpool match, with the champions holding second place with 15 points.
Manchester United also recorded a victory, triumphing with the same result against Sunderland at home.
Mount opened the scoring in the eighth minute, while Sesko sealed the victory with a goal scored in the 31st minute.
United returns to success and climbs to ninth place with 10 points, 1 less than seventh-place Sunderland.