Liverpool's title challenge remains on track, after they beat Cardiff City 6-3 in Wales earlier to stay second in the table.
Luis Suarez notched a hatrick, with Martin Skrtel scoring twice and Daniel Sturridge also netting as the Anfield club continued their incredible scoring form.
Jordon Mutch scored twice for Cardiff, with Frazier Campbell also on the mark.
Manchester City stay third, after thrashing bottom side Fulham 5-0 at the Etihad.
Yaya Toure scored a hat-trick for City, with two of his goals coming from the penalty spot.
Fernandinho and Martin Demichelis added the fourth and fifth goals for City to complete the rout.
Everton beat Swansea 3-2 at Goodison Park to keep their slim top four hopes alive.
A Leighton Baines penalty gave Everton the lead before Wilfried Bony equalised for Swansea.
But second half goals from Romelu Lukaku and Ross Barkley restored Everton's lead.
Ashley Williams scored again late on for the Welsh side but it wasn't enough as Everton took all 3 points.
Shane Long was on the mark for Hull City, as they beat West Brom 2-0 at the KC Stadium.
Liam Rosenior scored Hull's other goal.
Papiss Cisse scored in the last minute for Newcastle to give them a 1-nil win at home to Crystal Palace.
And Norwich beat Sunderland 2-nil, with the goals coming from Robert Snodgrass and Alexander Tettey.
Chelsea stay top, after a six-nil mauling of Arsenal in the opening game of the day at Stamford Bridge.
Chelsea raced into a 2-nil lead inside 7 minutes through Samuel Eto'o and Andre Schurrle
There was controversy after a quarter of an hour, when referee Andre Marriner incorrectly sent off Kieran Gibbs instead of Alex Oxlade-Chamberlain, after Chamberlain had handled the ball on the line to give Chelsea a penalty, which Eden Hazard converted.
Oscar added Chelsea's fourth and fifth goals before Mohamed Salah completed the scoring with the sixth.