Arsenal regained top spot in the Premier League by winning at Aston Villa (4-2, after coming from behind twice), while Manchester City were held 1-1 by Nottingham Forest.
With 54 points the Gunners lead the standings and react to the home knockout with the Citizens (52).
Bad Chelsea, beaten at home (1-0) by Southampton, last.
A direct free kick from James Ward-Prowse in first-half stoppage time was enough to decide the tide of the game.
Graham Potter's constant line-up changes - six players on the pitch today were not starting in Wednesday's 0-1 defeat against Borussia Dortmund - are not helping the team to find its own identity.
The Blues are tenth with 31 points.
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Premier League: Aston Villa 2-4 Arsenal - Football
24th day (ANSA)
The overview of the 24th day (RESULTS AND STANDINGS)
Aston Villa 2-4 Arsenal
Brentford 1-1 Crystal Palace
Brighton 0-1 Fulham
Chelsea 0-1 Southampton
Everton 1-0 Leeds
Nottingham 1-1 Manchester City
Wolves 0-1 Bournemouth
Newcastle-Liverpool 6.30pm
Manchester Utd-Leicester Sunday at 15
Tottenham-West Ham at 17.30
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Premier League: Chelsea 0-1 Southampton - Football
24th day (ANSA)