As the football fans prepare for the Champions League draw, here's your guide to how it works.
Arsene Wenger's side managed to hold on despite being reduced to 10 men.
Having been beaten 6-1 on aggregate by Legia Warsaw in the previous qualifying round, Celtic were reinstated in the tournament by UEFA.
An insipid Manchester United thrashed 4-0 by third-tier London side in the League Cup encounter.
In a career of 11 years, Alonso was a crucial part of the Spain team that shed their 'underachievers' tag.
Summer acquisitions, Costa and Fabregas, have already begun repaying the transfer fee splashed out by Mourinho.
British bookmakers reacted to United's humiliating 4-0 by slashing the odds on Van Gaal leaving club.
Dutchman Van Gaal is still without a competitive victory since taking over at United in the close season.
Pellegrini was keen to emphasise the whole team effort against a side that beat them 3-2 in April.
Ronaldo and Karim Benzema made sure that the European champions made a winning start in their league opener.
Manchester United spend record English transfer fee of $99 million on Real Madrid’s Di Maria.
Man Utd signed Di Maria for a British record fee of 59.7 million pounds ($98.77 million) for 5-years.
Lampard scored 29 goals for England and captained the team in their group match against Costa Rica at 2014 WC.
City send out an ominous warning to those with designs on their Premier League crown, routing Liverpool 3-1.
Champions Atletico made a sluggish start to the defence of their La Liga title with a 0-0 draw against Rayo Vallecano.
Di Maria's signing would provide a boost for Louis van Gaal-coached Manchester United.
At least he lasted 90 minutes, however, unlike Sanchez, whose performances with Chile had a host of clubs scrapping for his signature.
Meanwhile, leaving Slovenia with a 1-1 draw at Maribor gives Celtic the edge going into the second leg on Tuesday.
The Italy international has all the natural attributes you could wish for in a centre forward.
The incident took place in the first half of the fiery clash with Real at the Calderon which Atletico won 1-0, and 2-1 on aggregate.
Messi, Munir score three between them to kickstart Barca’s regime under new coach Luis.
Simeone was ejected for dissent after he vociferously called for Juanfran Torres to be allowed back.
Messi, whose Argentina side were beaten in World Cup final by Germany, was the talisman once again for Barca.
Torres could not even command a place on the bench as Costa was scoring on his Stamford Bridge debut.
The former Juventus striker is also likely to become the ambassador of the three-month tournament.
The 24-year-old Ebosse was apparently hit by the rock hurled from a section of JS Kabylie supporters angry at their team's loss.
Manchester United's opening-day loss was followed by a 1-1 draw at Sunderland in the Premier League on Sunday.
British newspapers said a move for the 26-year-old is likely to cost more than the 50 million pounds.
Aaron Ramsey tapped in after 83 minutes and substitute Olivier Giroud scored the header in the 90th minute.
Despite losing key players in the transfer market, Atletico showed resilience to beat Real in the Spanish Super Cup.
Atletico Madrid striker's early goal secured a 1-0 win over Real Madrid to clinch the Spanish Super Cup.
Neymar looked lively in Barca’s final friendly match against Mexican outfit Leon on Monday in which they won 6-0 and he bagged a brace.
van Gaal has lashed out at critics who he says have made a 'devil' of him after one defeat in his new job.
After a titleless season, Barcelona keen to hit the ground running after conceding the La Liga title.
The Frenchman will make an announcement on Thursday after deciding whether to stand against long-term incumbent Sepp Blatter.
Friedrich’s maiden stint outside of his country, making the defender the first German to be a part of the ISL.