Chelsea surrendered another three points in their quest for a top-four Premier League finish as Newcastle United's new signing Moussa Sissoko struck in the last minute to grab a 3-2 win that left Rafa Benitez's side reeling.
An injury-hit Newcastle United stunned Tottenham Hotspur with a 3-2 victory in the EPL.
Juergen Klopp's side remain seventh, six points behind the Champions League places, after only their second defeat in the 12 games since the German took over in October
Two late headers by Emmanuel Adebayor gave Tottenham Hotspur a 3-1 home win over promoted Swansea City on Sunday to boost their hopes of a top-four finish in the Premier League.
Sergio Aguero struck twice as Manchester City moved into second place in the Premier League, two points behind leaders Liverpool, with a 3-1 win at Bournemouth on Sunday. Just three weeks into the new season and last year's top two clubs are already perched at the top of the table.
Liverpool hammered seven past Manchester United to keep their top-four bid alive in the Premier League.
Tottenham Hotspur maintained their late-season drive for European soccer and pushed Newcastle United further towards relegation when they won a one-sided Premier League match 1-0 at White Hart Lane on Sunday.
Following their 6-1 thrashing at the hands of hosts Newcastle United, Tottenham Hotspurs players apologised and said the travelling fans would be reimbursed.
Arsenal will host Newcastle United in the outstanding League Cup third-round tie after the draw was made on Saturday.
Alan Pardew was hailed last season as a steady hand on the Newcastle United tiller but finds himself contemplating an impending relegation battle ahead of a clash with wounded champions Manchester City on Saturday.
IMAGES from the Premier League matches played on Saturday.
Chelsea's Premier League title defence continued to splutter on Sunday when they could only draw 1-1 at Newcastle United and missed their chance of returning to the top of the standings.
Newcastle United defender Stephen Taylor equalised on the hour to earn a 1-1 draw against Arsenal at home.
IMAGES from the Premier League matches played on Saturday.
Liverpool drew 1-1 at third division Luton Town and Newcastle United were goalless at Stoke City in the FA Cup fourth round.
Burnley beat Blackburn Rovers 2-0 at Ewood Park in their East Lancashire derby but Premier League sides Southampton and Newcastle United crashed out of the English League Cup to Championship opposition in Wednesday's second-round games.
Kieron Dyer and Lee Bowyer were sent off for fighting each other as Newcastle United ended with eight men on the pitch in a 3-0 defeat by Aston Villa.
The sources requested anonymity because the matter is confidential. Representatives for Manchester United and Sheikh Jassim did not immediately respond to requests for comment.
Luis Suarez warmed up for next week's FA Cup final with a hat-trick in Liverpool's 3-0 win at Norwich City in the Premier League on Saturday while high-flying Newcastle United were thumped 4-0 at lowly Wigan Athletic.
Cristiano Ronaldo has been voted Manchester United's Player of the Month for September by the club's supporters.
Liverpool kept alive their hopes of Champions League football next season with a comfortable 2-0 Premier League victory on Monday against a Newcastle United side who finished with 10 men.
Manchester City roared back to the top of the Premier League with a 6-1 thrashing of Bournemouth after Manchester United steadied the ship
The 52-year-old, who had already admitted a misconduct charge prior to Tuesday's personal FA hearing, will be banned from stadiums for the first three matches and he will be barred from the touchline for the remaining four.
Man City to face Spurs in League Cup
IMAGES from the English Premier League matches played on Sunday
Michael Olise scored a stoppage-time penalty as Crystal Palace clawed back from two goals down to draw 2-2 with Manchester City in the Premier League at the Etihad Stadium on Saturday.
Arsenal reclaim provisional top spot with 1-0 win at Man United
Newcastle United's Moussa Sissoko says the Premier League was made for him after the France international midfielder began his career in England with two goals and an assist in his first two matches.
Papiss Cisse scored both goals as Newcastle United continued their surprise push for a top-four finish in the Premier League on Sunday with a 2-0 victory over Liverpool, who had keeper Pepe Reina sent off late on.
Newcastle United's controversial director of football Joe Kinnear has quit seven months into a three-year deal after his second spell at the Premier League club in which they made no permanent signings for the first-team squad.
Newcastle United manager Alan Pardew faces a hefty fine and a touchline ban after being sent off for headbutting Hull City midfielder David Meyler during his side's 4-1 win at the KC Stadium on Saturday.
Images from the Premier League matches played on Saturday.
Chelsea's Premier League title defence continued to splutter when they could only draw 1-1 at Newcastle United and missed their chance of returning to the top of the standings Sunday.
Reach fifth round for first time in 10 years
Newcastle United striker Papiss Cisse has been charged with violent conduct, the FA said in a statement on Monday referring to an incident in the Premier League match against Everton.
Andy Carroll helped himself to a hat-trick as Newcastle United stunned Aston Villa 6-0 to mark a memorable home return to the Premier League on Sunday.
Sergio Aguero scored five times in 20 minutes including an eight-minute hat-trick as Manchester City came from behind to thrash Newcastle United 6-1 and go back to the top of the Premier League table on Saturday.
Chelsea missed the chance to effectively seal the Premier League runners-up spot after a late Steven Taylor header secured Newcastle United a 2-2 draw at Stamford Bridge on Sunday.
