Romelu Lukaku extended his impressive FA Cup scoring record by netting twice in Manchester United's 2-0 win at Huddersfield Town to earn Jose Mourinho's side a quarter-final tie at home to Brighton & Hove Albion.
They are well placed to qualify for the Champions League and with manager Louis van Gaal sure to be given substantial funds to bolster his squad, United fans are dreaming of a return to the glory years they enjoyed with Alex Ferguson at the helm.
'It's very difficult to play football in these circumstances within 48 hours. It's amazing for the fans around the world, everybody has the Premier League, I'm more than happy to do that but it's very hard for the players'
With 13 points from the last 15 available, striker Fernando Torres looking rejuvenated, options all across the pitch and an empty treatment room, Chelsea are clearly hitting their stride.
Manchester United enjoyed perhaps their finest performance.
The 10-year agreement announced on Monday is a world record for a soccer club and is more than double the 31 million pounds-a-year deal Adidas was reported to have with Spanish side Real Madrid, previously the biggest deal.
English Premier League leaders Liverpool opened up a 22-point gap at the top of the table with second-half goals from Alex Oxlade-Chamberlain, Jordan Henderson and a Mohamed Salah brace giving them a 4-0 home win over Southampton. A rare double from defender Antonio Rudiger earned Chelsea a point in an entertaining 2-2 draw with third-placed Leicester City.
How could a front six including Angel Di Maria, Robin van Persie, Wayne Rooney and Juan Mata fail to get a single shot on target in a 1-0 home defeat by Southmapton?
News of all that's transpired on and off the football field
Paul Pogba repaid some of his world record transfer fee with two goals as Manchester United rediscovered their early-season shine, cruising to a 4-1 Europa League win over Fenerbahce to go top of their group on Thursday. Pogba scored a penalty and rifled United's third into the top corner. Anthony Martial also netted from the spot and Jesse Lingard fired home in the second half before former Old Trafford favourite Robin van Persie pulled one back for Fenerbahce. Inter Milan and AS Roma, though, had more testing evenings. Coach Frank de Boer breathed a sigh of relief when Inter survived an onslaught from Southampton to end a three-match losing streak with a 1-0 victory while Roma conceded twice late on to draw 3-3 at home to Austria Vienna.
World champions Spain held on for a 2-1 win over Haiti in a friendly on Saturday as they warmed up for this month's Confederations Cup.
Inter Milan's aversion to Europa League football continued with a 3-1 defeat at Sparta Prague, while AS Roma ended a continental hoodoo stretching back seven games with a 4-0 home win over Romanian side FC Astra on Thursday.
A summary of sports events and sports persons, who made news on Tuesday
Jose Mourinho's reshaped Manchester United destroyed Premier League champions Leicester City 4-1 with a performance that thrilled Old Trafford on Saturday and justified his decision to leave out Wayne Rooney. The shake-up seemed to liberate Paul Pogba who led the way with a polished display, heading his first goal for the club on 42 minutes and starting the clever move that led to Juan Mata firing home United's second after 37 minutes.
Since winning 2-1 at home to Wolfsburg in September, United have scored only twice in three Champions League games. In the Premier League the record is five goals in the last six games.
Chelsea manager Jose Mourinho stoked up his war of words with Manuel Pellegrini on Monday by questioning the Manchester City manager's sums.
Spain fullback Mario Gaspar scored with a stunning volley and midfielder Santi Cazorla added a late goal as the European champions handed England a chastening 2-0 defeat in a friendly between the continental heavyweights on Friday.
Manchester United emerged from the transfer window with a rich icing and the brightest of cherries to decorate their cake but the suspicion remains that the team's base may crumble under pressure.
Manchester United ended their one-year Champions League hiatus in emphatic style when Wayne Rooney struck a hat-trick in a 4-0 destruction of Club Bruges that sent the three-times winners through 7-1 on aggregate on Wednesday.
Ahead of their high-profile clash on Saturday, check out the five standout clashes between Arsenal and Chelsea.
The Premier League kicked off in unique fashion on Saturday as an own goal by Tottenham Hotspur's Kyle Walker gave Manchester United a 1-0 victory in an undistinguished season opener at Old Trafford.
IMAGES from Saturday's English Premier League matches.
An inspired Wayne Rooney became Manchester United's all-time leading goalscorer in European competition to ignite their crucial 4-0 trouncing of Feyenoord.
Manchester United humbled Manchester City 4-2 in the continent's big derby of the weekend.
IMAGES from the English Premier League match played on Saturday
A second-string Spain celebrated coach Vicente del Bosque's two-year contract extension with a 2-1 away win over Equatorial Guinea in a friendly on Saturday that was marred by an injury to Xabi Alonso.
Leicester go five clear after win at Everton
Jose Mourinho's first Premier League game as manager of Manchester United ended in a comfortable 3-1 victory away to Bournemouth on Sunday.
Liverpool put their recent troubles behind them, showing touches of their best early-season vibrancy to overcame Arsenal 3-1 at a jubilant Anfield and leapfrog the Gunners into third place in the Premier League on Saturday.
Tottenham Hotspur manager Andre Villas-Boas said the club could fine forward Gareth Bale for failing to attend training ahead of an expected world record "dream" move to Real Madrid. Bale, who has not been training with the squad due to injury, was granted three days off but did not report back to the club on Tuesday despite being pictured in London.
Alex Ferguson has broken his silence on David Moyes's short, traumatic reign at Manchester United, saying the former Everton manager underestimated the size of the job while denying he retired leaving the club in decline.
Brief reports of English Premier League matches on Saturday:
Manchester United replaced Manchester City as Premier League leaders with Wayne Rooney ending an 11-match run without a league goal in his side's comfortable 3-0 win over Sunderland at Old Trafford on Saturday.
Manchester United substitute Jesse Lingard's superb volley in extra time secured a 2-1 win over CrystalPalace in the FA Cup final at Wembley Stadium on Saturday for their first major trophy in three years.
Photos from the Premier League matches played on Sunday
Manchester United teenager Marcus Rashford wrote another chapter in his fairytale introduction to top-flight football, scoring a brilliant goal to secure a 1-0 win in his first derby match against Manchester City on Sunday.
Manchester United won 2-1 at Crystal Palace to consolidate fourth spot.
IMAGES from the Champions League matches played on Tuesday
Substitute Dusan Tadic fired the only goal as Southampton recorded a first league win over Manchester United for 27 years on Sunday, climbing above them into third in the Premier League.
Manchester City paid the price for missed chances as they were held to a 1-1 draw at Burnley on Saturday with Johann Berg Gudmundsson's 82nd minute equaliser earning the hosts a share of the points.