Having returned to England after his humiliating ouster from Chelsea, it is up to Jose Mourinho to leave a positive legacy at Manchester United.
Inter Milan staged a late smash-and-grab raid as goals by Mauro Icardi and Matias Vecino secured a 2-1 home win over Tottenham Hotspur in their Champions League Group B opener on Tuesday.
Here is the round-up of all the football action across Europe on the weekend
Sweden striker Zlatan Ibrahimovic crowned a triumphant homecoming with a second-half goal as Paris St Germain crushed Malmo 5-0 on Wednesday to book a place in the last 16 of the Champions League.
Coach Pep Guardiola was left thrilled after ManchesterCity revived their Champions League bid by beating his old club Barcelona 3-1 in a gloriously open Group C encounter at the Etihad Stadium on Tuesday.
News of all that's transpired on and off the football field
Javier Hernandez's late strike kept Real Madrid on course for a record-extending 11th European Cup crown with a 1-0 win over 10-man Atletico Madrid in a tense quarter-final at the Bernebau on Wednesday.
Images from the UEFA Champions League matches played on Tuesday.
Barcelona must to wait to confirm a place in the Champions League last 16 after dropping points for the first time in Group D in an absorbing 0-0 draw at Olympiakos Piraeus on Tuesday.
Images from football matches played across Europe.
Atletico Madrid delayed Barcelona's La Liga title celebrations by beating Valencia 3-2 at home in an entertaining game on Wednesday at a sparsely attended Wanda Metropolitano stadium.
Images from Wednesday's action in the UEFA Champions League.
Karim Benzema scored his sixth goal in four games as Real Madrid beat Alaves 3-0 on Sunday for a fourth successive La Liga victory which took the European champions to within eight points of leaders Barcelona.
The policy of buying players cheap and selling them for a higher price a few years on is a business model that worked well for clubs like Atletico Madrid and FC Porto. With the transfer window open for the next few weeks, Rediff.com takes a look at clubs that made smart deals over the years.
Robert Lewandowski scored a brilliant free kick to give Bayern Munich a 1-0 win over Atletico Madrid in their last Champions League Group D outing on Tuesday, ending the 100 percent record of their opponents. The Poland international curled the ball over the wall and into the corner of the net in the 28th minute but the goal had no impact on the final standings with Atletico guaranteed top spot and Bayern in second place.
Bayern Munich and Barcelona registered easy wins, while Manchester United came from behind to beat CSKA Moscow 2-1 and Chelsea surrendered the top spot after a 1-1 at home against Atletico Madrid.
Andy Murray clinched the Vienna Open title on Sunday with a 5-7, 6-2, 7-5 victory over David Ferrer, one of the Briton's main rivals in the battle to qualify for the ATP World Tour Finals.
La Liga champions Real Madrid beat Getafe 3-1 on Saturday with a goal from Gareth Bale and two strikes from Cristiano Ronaldo to go 12 points behind leaders Barcelona and warm up for next week's Champions League game at Paris St Germain.
News of all that's transpired on and off the football field
Atletico Madrid sealed top spot in Champions League Group D after second half goals from Frenchmen Kevin Gameiro and Antoine Griezmann but Napoli were held to a 0-0 Champions League draw at home by Dynamo Kiev.
Photos from the Champions League matches played on Wednesday.
News of all that's transpired on and off the football field
Gonzalo Higuain pulled one back three minutes later with a typically opportunist goal, the Argentine's 13th in the league this season, to set up a tense final half hour.
News of all that's transpired on and off the football field
Neymar Jr and Kylian Mbappe starred in PSG's win as they topped group A after thrashing Galatasaray 5-0. Juventus, who have already qualified for the last 16 of the Champions League, pumped in two goals to oust Leverkusen from the tournament, while Gabriel Jesus netted a hat-trick in Manchester City's 4-1 thumping of Dinamo Zagreb. Here are Images from the Champions League matches played on Wednesday
Barcelona battled back from a goal down and scored twice in the second half to overcome hosts Borussia Moenchengladbach 2-1 in their Champions League Group C match on Wednesday despite the absence of the injured Lionel Messi.
A summary of Tuesday night's matches in the UEFA champions League.
News of all that's transpired on and off the football field
News of all that's transpired on and off the football field