- Elsewhere on Saturday, Everton held Crystal Palace to a goalless tie and newly-promoted Sheffield United picked up an impressive point at Bournemouth.
Premier League champions Manchester City and runner-ups from last year Liverpool got their season underway with blistering performances that saw the former overwhelm West Ham by five goals to nothing and the latter demolish newly-promoted Norwich City by four goals to one on Friday at Anfield.
Burnley made a winning start to the new season with a 3-0 home rout over fellow survivors from last season – Southampton – for a top four spot on Saturday, Brighton got off to a dream start with a 3-0 shutout win over Watford, and title-hopeful side, Tottenham, climbed back from a goal down to end the brave resistance of new promoted Aston Villa.
Sterling slots home at the near post to complete his hat-trick and seal City's emphatic victory with a fifth goal - Dailymail
Elsewhere on Saturday, Everton held Crystal Palace to a goalless tie and newly-promoted Sheffield United picked up an impressive point at Bournemouth.
EPL Week 01 Standings
It was a miserable debut for newly minted Premier League coach, Frank Lampard, as United condemned Chelsea to a 4-0 drubbing on Sunday. Arsenal got off to a perfect start with a lone goal win over Newcastle at St. James, and Wolves did well enough to pick up a point at Leicester.
Friday
Liverpool 4-1 Norwich City
Liverpool raised the curtain on the new season with a 4-1 thrashing of Norwich at Anfield on Friday Night Football.
Liverpool 4-1 Norwich City
The European champions, who missed out on the title last season by a single point, rarely got out of second gear, racing into a four-goal lead at the break courtesy of strikes from Mohamed Salah, Virgil van Dijk, Divock Origi and a Grant Hanley own goal. Norwich offered little resistance on a sobering return to the top-flight.
Liverpool lost goalkeeper Alisson Becker to a calf injury just before half-time, the only negative for Jurgen Klopp to contend with on a night when VAR made its seamless top-flight debut and the Reds issued an early statement of intent at the start of their bid for a first league title in 30 years.
Saturday
West Ham 0-5 Manchester City
Raheem Sterling scored a hat-trick as City got their title defense up and running in style with a 5-0 win at West Ham.
West Ham 0-5 Manchester City
City's new No 9 Gabriel Jesus showed deadly instinct to open the scoring with a near-post touch from Kyle Walker's fine work down the right (25), and the champions were 2-0 up shortly after half-time through Sterling's tidy finish (51).
The season's first major VAR call came minutes later as Jesus' tap-in was ruled out by a marginal offside call on Sterling (53), but after another tight VAR call, Sterling grabbed his second and City's third, lobbing Lukasz Fabianski inside the box (75).
Sub Sergio Aguero then netted City's fourth from the spot (86) at the second attempt after VAR ruled for a retake for his initial missed penalty due to encroachment, before Sterling wrapped up his hat-trick in stoppage time (90+2).
Crystal Palace 0-0 Everton
Morgan Schneiderlin was sent off as Crystal Palace were held to a 0-0 draw by Everton at Selhurst Park on Saturday.
Gylfi Sigurdsson and Seamus Coleman both wasted good first-half chances for the visitors before Jordan Pickford made two smart saves to deny Jordan Ayew and Max Meyer in the second period.
Schneiderlin was dismissed for a second bookable offence (76) after catching Luka Milivojevic, but Palace were unable to make their numerical advantage count.
Wilfried Zaha received a good reception from the home supporters after coming on as a substitute for Roy Hodgson's side, but despite flashes of his usual trickery, he was unable to convert a point into three for the hosts.
Burnley FC 3-0 Southampton
A second-half double from Ashley Barnes helped Burnley to a comfortable 3-0 win against Southampton in their opening game of the season.
After a goalless first half, all of Burnley's strikes came within 11 minutes and Barnes nabbed the first two. His first (63) came after an error from Jannik Vestergaard allowed him through, and he followed it up with an impressive tap in for the second (70).
It was a superb solo effort from Johann Berg Gudmundsson (74) for Burnley's third, which was given after a brief VAR review for a challenge in the build-up.
Watford 0-3 Brighton
Graham Potter made an instant impact at Brighton as he oversaw a 3-0 victory over Watford in his first game in charge.
Playing a more progressive and attack-minded system than his predecessor Chris Hughton, Potter's side were handed a first-half lead by an Abdoulaye Doucoure own goal (28).
Watford - well below their usual standards - had no answers as Potter's second-half substitutes Florin Andone (65) and new signing Neal Maupay (77) netted in what was a very comfortable opening day success.
Bournemouth 1-1 Sheffield United
Billy Sharp's late equaliser ensured Sheffield United's Premier League return began unbeaten with a 1-1 draw at Bournemouth.
Sharp showcased his predatory instinct off the bench to bundle home from a free-kick, netting his first Premier League goal at the age of 33, inside the last two minutes of a game from which the Blades had deserved at least a point.
Bournemouth had only managed a single shot on target before they took the lead shortly after the hour through Chris Mepham's close-range finish, and spent much of the game defending against the Premier League new boys.
Tottenham 3-1 Aston Villa
Harry Kane scored two late goals to ensure Tottenham avoided an opening-day upset as they won 3-1 against Aston Villa.
Tottenham 3-1 Aston Villa
Newly-promoted Villa took a shock lead in the ninth minute when John McGinn finished past Hugo Lloris.
Spurs raised their level in the second half and eventually equalized with a brilliant strike from club-record signing Tanguy Ndombele in the 73rd minute.
Kane then put Spurs ahead in the 86th minute before adding another shortly afterwards.
The third goal put the game beyond Villa, who had battled hard and threatened to deal an early setback to Spurs' season before tiring under increasing pressure late in the game.
Sunday
Leicester City 0-0 Wolves
Leander Dendoncker saw the only goal of the game ruled out by VAR as Wolves held Leicester to a 0-0 draw in the Premier League on Sunday.
Dendoncker bundled in Joao Moutinho's corner six minutes into the second half but VAR official Jon Moss overturned the decision after spotting it had struck Willy Boly's arm in the build-up.
That decision proved one of few major incidents in a game lacking in clear-cut opportunities at the King Power Stadium.
Newcastle 0-1 Arsenal
Pierre-Emerick Aubameyang scored the only goal of the game as Arsenal made a winning start with a 1-0 victory at Newcastle on Sunday.
The 30-year-old, who shared the Golden Boot last season with Liverpool duo Mohamed Salah and Sadio Mane, opened his account for 2019/20 in the 58th minute, bringing down Ainsley Maitland-Niles' cross before lifting the ball over Martin Dubravka.
It proved to be the crucial strike as the Gunners, who handed Premier League debuts to new signings Nicolas Pepe, Dani Ceballos and Gabriel Martinelli from the bench, ensured Steve Bruce's reign as Newcastle head coach began with defeat.
Manchester United 4-0 Chelsea
Manchester United inflicted a harsh lesson on Frank Lampard in his first Premier League assignment as Chelsea head coach with a 4-0 victory at Old Trafford on Renault Super Sunday.
Manchester United 4-0 Chelsea
Marcus Rashford opened United's account from the penalty spot on 18 minutes, but Chelsea struck the woodwork twice through Tammy Abraham and Emerson Palmieri before the end of a promising first half.
Chelsea had more chances and more possession but a combination of wastefulness in front of goal and defensive errors cost them dear, as Anthony Martial doubled United's lead and Rashford doubled his tally in the space of two second-half minutes.
EPL Week One Scores At A Glance
Liverpool 4-1 Norwich City
West Ham 0-5 Manchester City
Crystal Palace 0-0 Everton
Burnley FC 3-0 Southampton
Watford 0-3 Brighton
Bournemouth 1-1 Sheffield United
Tottenham 3-1 Aston Villa
Leicester City 0-0. Wolves
Newcastle 0-1 Arsenal
Manchester United 4-0 Chelsea
Game day report from BBC and skysports were used in this report.
