Bradford City produced another giant-killing to reach the quarter-finals of the FA Cup.
Jose Mourinho's side had paid lavish sums to bolster key areas by this time last year but, having claimed the title at a canter, the motto of this transfer window seems to be: if it ain't broke, don't fix it.
A summary of Saturday's action in the Premier League.
Chelsea came from behind to beat Crystal Palace 3-1 thanks to added time goals from Conor Gallagher and Enzo Fernandez.
A round-up of Sunday's action in the Premier League.
Following is a match by match look at the English Premier League's weekend fixtures.
English Premier League leaders Manchester City and Chelsea slugged out a magnificent 4-4 draw at Stamford Bridge.
Images from the English Premier League matches played on Saturday
Chelsea, who won the Champions League last season, begin their season at home to Crystal Palace before trips to Arsenal and Liverpool.
Manchester United and Aston Villa paid a heavy price for having men sent off on in the Premier League on Sunday with United losing a tight derby to Man City and Villa surrendering a lead in defeat by Tottenham Hotspur.
Chelsea scored a second successive win over a newly-promoted side when they beat Leicester City 2-0 at Stamford Bridge on Saturday thanks to second-half goals from Diego Costa and Eden Hazard.
Six points was the minimum requirement for England's opening two games and while the opposition were not of the highest quality, Tuchel said they were useful tests.
Chelsea have made the first major transfer move ahead of next season after reaching an agreement with Germany's highly-rated RB Leipzig striker Timo Werner. The Premier League club announced on Thursday that they had struck an agreement with Leipzig on a transfer fee and on personal terms with the player, who had been strongly linked with a move to European champions Liverpool.
Aston Villa were crushed 6-1 by Southampton but joined Leicester City in celebrating Premier League survival on Saturday while Steven Gerrard's farewell party was spoiled as Liverpool lost 3-1 to Crystal Palace.
Diego Costa continued his rich vein of form as he helped leaders Chelsea to a 3-0 win over Aston Villa while Louis van Gaal enjoyed only his second Premier League win as Manchester United manager following a 2-1 victory against West Ham.
Images from the English Premier League matches played on Sunday night.
Under pressure from the chasing pack and rocked on their heels by a Charlie Adam bolt from the blue, Chelsea showed cool heads to extend their Premier League to seven points on Saturday with a 2-1 home win over Stoke City.
Manchester United manager Louis Van Gaal was more worried about playing Aston Villa than he feels about facing local rivals and champions Manchester City at Old Trafford on Sunday.
Argentina have called up Mallorca's Spanish defender Pablo Maffeo for the first time ahead of this month's World Cup qualifiers against Uruguay and Brazil in the squad announced by its FA on Friday.
Images from the English Premier League matches on Saturday.
"I think he plays on Wednesday because on Saturday it was a decision to protect him," manager Jose Mourinho told the club website (www.chelseafc.com).
Third-placed Arsenal tightened their grip on a spot in the top four on the English Premier League table, continuing an impressive run of form at the Emirates with a 3-0 win over West Ham United on Saturday.
Chelsea put a miserable week behind them to return to the Premier League summit with a 2-0 win over Fulham as the wheels came off Liverpool's bright start in a 1-0 home defeat to Southampton on Saturday.
A number of Manchester United players are "not good enough" while some others are being "overpaid", the club's co-owner Jim Ratcliffe said.
Villa manager Gerrard to sit out two games after positive COVID test.
Manchester United bolstered their squad with a flurry of transfer deadline day signings, Manchester City and Liverpool also splashed out while ambitious Brighton & Hove Albion sealed an audacious loan deal for Barcelona's Ansu Fati on Friday.
Manchester United manager Alex Ferguson dismissed Chelsea's Premier League title hopes on Wednesday.
Photos from the English Premier League matches played on Saturday
Former Arsenal, Spain midfielder Fabregas hangs up his boots, to coach Italian club.
Chelsea's American forward Christian Pulisic scored his first Premier League goals for the club with a hat-trick and Willian added another in an entertaining 4-2 win at Burnley.
Chelsea surged to the top of the Premier League with a 3-0 home win over Stoke City thanks to goals from Mohamed Salah, Frank Lampard and Willian at Stamford Bridge on Saturday.
Images from Saturday's action in the Premier League.
Liverpool, Chelsea and Manchester United celebrated the festive season with victories on Friday while Arsenal, the other member of the 'big four', squandered a 2-0 lead to draw 2-2 at Aston Villa. Liverpool beat Bolton Wanderers 3-0 at Anfield with Robbie Keane scoring twice to give the leaders 42 points, one ahead of Chelsea as the Premier League season reached the halfway point.
Bayern Munich made it 16 wins from 16 games this season to underline their credentials as early Champions League favourites, beating holders Paris St Germain 2-1 away as Luis Diaz scored two goals and was shown a red card on Tuesday.
Bernardo Silva and Jack Grealish scored three minutes apart as Manchester City came from behind to beat Premier League newcomers Luton Town.
Manchester City gave Kevin De Bruyne a victory in his final appearance at Etihad Stadium, as Omar Marmoush scored a stunner in a 3-1 Premier League win over Bournemouth on Tuesday that saw them climb to third in the table.
The schedule for the league's 2022-23 season was released with Liverpool starting away to promoted team Fulham. City plays its first game a day later.
'If we play at the level of Liverpool or Tottenham we'll do it again.'
Manchester City take on Chelsea and champions Manchester United meet West Ham United in the key fixtures of Saturday's programme in the English Premier League.