Liverpool’s Luis Suarez scored four goals as his virtuoso performance overwhelmed Norwich at Anfield.
The Uruguayan opened the scoring with a 40-yard lob over John Ruddy before sweeping in Philippe Coutinho’s corner.
Suarez slammed in a fierce half-volley to complete his hat-trick and grabbed his fourth with a dead-eyed free-kick.
Eden Hazard scored two sublime goals as Chelsea came from behind to win and increase Sunderland’s relegation fears.
The Black Cats were ahead through Jozy Altidore’s first league goal for the club before Frank Lampard levelled with a close-range header.
Hazard put Chelsea ahead with a curling 20-yard strike, John O’Shea equalising after a scramble before Hazard’s powerful finish made it 3-2.
Phil Bardsley’s own goal made it 4-2 before he scored at the right end.
Everton scored a late winner to secure the Toffees’ first victory at Manchester United in 21 years – and make it a night of misery for their former manager David Moyes.
In other match, Yaya Toure scored twice as Manchester City saw off West Brom to clinch only their second away Premier League win of the season.