West bromwich albion
Fulham relegated from Premier League after Burnley loss
London club Fulham will now join already-demoted West Bromwich Albion and Sheffield United in the second-tier Championship next season.
Brendan Rodgers' men were wobbling after losing their previous two top-flight matches but produced a dazzling attacking display against the insipid visitors at the King Power Stadium.
After conceding just two goals in Tuchel's reign, with seven consecutive clean-sheets since the defence was last breached at Southampton in February, this was a rude awakening for Chelsea.
The troubled champions were blown away by Pep Guardiola's side, who became the first team to score four times in a league game away to Liverpool in 12 years.
Rampant United scored four times in the first half after Southampton's teenage midfielder Alexandre Jankewitz was dismissed in the second minute at Old Trafford.
City have now won 11 consecutive games since West Brom earned a shock 1-1 draw at the Etihad last month.
Sadio Mane opened the scoring with a classy finish on 12 minutes as Jurgen Klopp's men had the Baggies camped inside their own half until the break, but eased off in the second-half and were made to pay.
The 52-year-old Croatian's sacking comes with the side 19th in the table but on the back of an encouraging 1-1 draw with Manchester City on Tuesday.
Brendan Rodgers' side are just one point behind leaders Liverpool after winning five of their first seven games in a top-flight season for the first time in their history.
Norwich and Sheffield United, who drew 2-2 against Stoke, had already secured automatic promotion to the Premier League before the final round of fixtures.
West Brom took their unbeaten run under caretaker manager Darren Moore to five matches with a stoppage-time winner from Jake Livermore.
Manchester City walked into the Etihad Stadium this weekend as English Premier League champions, donning silver warm-up kits to mark the occasion on Sunday afternoon when they welcomed Swansea City.
Chelsea have 53 points from 27 games, one point ahead of London rivals Tottenham Hotspur and a point behind third-placed Liverpool in the race for Champions League qualifying spots.
The new video assistant referee system came of age in a dramatic fourth-round tie at Anfield, with the on-field review system used for the first time in England.
United’s former West Brom striker Romelu Lukaku scored his 15th goal of the season in the 27th minute by heading home Marcus Rashford’s left-wing cross.
West Brom had lost on their previous six visits to the Gunners but started the match brightly and were even denied a penalty after only seven minutes of play.
A defensive mix-up cost West Bromwich Albion a third consecutive Premier League victory and a share of top spot as Peter Crouch earned Stoke City a 1-1 draw at the Hawthorns.
Liverpool reclaimed 3rd spot in the Premier League after Roberto Firmino's header sealed a 1-0 victory against West Bromwich Albion.
Jose Mourinho was left to rue poor finishing as Manchester United missed a chance to close in on the Premier League's top four.