Arsenal coach Mikel Arteta insists a successful title tilt will "demand almost perfection" for the rest of the campaign.
Pep Guardiola thinks Manchester City players need to get Erling Haaland more involved in their play.
The pressure eased on Chelsea manager Graham Potter as his side claimed just a second Premier League victory since October with a 1-0 win against Crystal Palace at Stamford Bridge.
Solly March scored twice as Brighton set aside the absence of wantaway star Leandro Trossard to inflict another setback on Liverpool’s stuttering season with a superb 3-0 win.
Manchester City were left fuming at Manchester United's controversial equaliser after letting slip a lead to go down 2-1 at Old Trafford and let their neighbours into the title race.
Manchester United scored twice late in the game to snatch a dramatic 2-1 derby win over Manchester City on Saturday.