There is still plenty to be decided in the final round of group matches in the UEFA Champions League this week even though 13 of the 16 teams through to the knockout phase are already known. European Cup holders Manchester United and the likes of nine-times champions Real Madrid, Barcelona, Juventus, Arsenal and Liverpool have secured their places in the first knockout round.
A summary of the opening night's matches in the Champions League.
Former European champions Liverpool and Inter Milan sealed their berths in the Champions League last 16 but last season's finalists Chelsea still have work to do after a 1-1 draw at Girondins Bordeaux on Wednesday.
VfB Stuttgart squandered the chance to lift themselves further away from trouble when they conceded a late penalty to draw 1-1 at Mainz on Sunday.
Manchester United and AS Roma will meet in the Champions League group stages.
Bayern Munich beat Hanover 96 3-0 to make it three wins from their first three games.
Barcelona and Sporting advanced to the Champions League knockout stage while Inter Milan and Chelsea missed the chance to guarantee their places on Tuesday.
Newcomers Franck Ribery and Luca Toni were on target to help Bayern Munich to a brilliant 4-0 win at Werder Bremen in the Bundesliga on Saturday.
Arsenal scored a comfortable 2-0 win over Sparta Prague in the first leg of their Champions League third qualifying round tie.
Barcelona put one foot in the Champions League last 16 with a 5-0 away drubbing of Basel and are the only team with a 100 percent record.
Bayern Munich went on a 70 million euro spending spree after their humiliating fourth-placed finish in the Bundesliga last season and are eager to avenge their failure to win silverware by grabbing all four titles this time.
Substitute Lionel Messi scored two late goals, including one in stoppage time, to lead 2006 winners Barcelona to a 2-1 victory at Shakhtar Donetsk in the Champions League on Wednesday. Last season's runners-up Chelsea were held to a 0-0 draw at surprise packages CFR Cluj, who were playing in Romania's third division just six years ago.
Romanian club CFR Cluj will believe anything is possible when they host Chelsea in the UEFA Champions League.
Romania's CFR Cluj shocked AS Roma 2-1 on their Champions League debut on Tuesday but there were no surprises for Chelsea, Liverpool, Barcelona or Inter Milan who all won their opening group games.
Chelsea's World Cup winning coach Luiz Felipe Scolari becomes the latest to try to guide the rich London club to European club football's big prize on Tuesday when the Champions League groups stages kick off.
Portuguese winger Cristiano Ronaldo may return after injury for Manchester United when the English champions begin their Champions League defence in their opening Group E encounter against Villarreal on Wednesday.
The English Premier League again provided the late-night drama at the end of the transfer window on Monday with Dimitar Berbatov and Robinho joining Manchester United and Manchester City respectively.
Holders Manchester United will face familiar foes Celtic in this season's Champions League group stage.
Though deprived of victory, England, coming off a series of poor results, will take heart from the way they grew in confidence as the game progressed and will aim to show more of the same in Wednesday's Euro 2008 qualifier.
Kaka and Ronaldinho were included in the squad for Brazil's friendlies against England and Turkey next month even though they asked not to be picked for the Copa America.
The defending champions knocked out Osasuna while Espanyol triumphed over Werder Bremen.
Ronaldinho has been asked to revert to pre-Barcelona style if he wants to keep his place in the Brazil squad.
Adriano was recalled by Brazil for next month's World Cup qualifiers on Thursday, only the second time he has been picked by his country since the 2006 World Cup. The 26-year-old was included in a 25-man squad for the matches away to Paraguay in Asuncion on June 15 and at home to arch-rivals Argentina in Belo Horizonte three days later.
Bayern Munich beat VfB Stuttgart 4-1 on Sunday to move 12 points clear in the Bundesliga with only one point required from their last four games to seal a 21st German title. Luca Toni scored his 36th goal in 42 matches in the eighth minute. Antonio da Silva equalised nine minutes later before Mark van Bommel fired in a superb low shot that curled around the wall off an indirect free kick in the 55th minute.
Andy Roddick took out his frustrations on Frenchman Paul-Henri Mathieu on Sunday to seal a place for the United States in the Davis Cup semi-finals, where they will take on Spain. Russia and Argentina will contest the other semi-final in September after wrapping up their ties with a match to spare.
Fernando Verdasco and Feliciano Lopez displayed nerves of steel to win a marathon doubles match on Saturday and propel Spain into the Davis Cup semi-finals. They battled for almost five hours before grinding out a 6-7 7-6 6-4 2-6 12-10 win over Philipp Kohlschreiber and Philipp Petzschner, giving Spain an unbeatable 3-0 lead over Germany in Bremen.
Porto and Lille completed the line-up for the final 16 of the Champions League as the group phase of the competition ended.
Chelsea coach Jose Mourinho said his team's comfortable 2-0 victory over Levski Sofia on Tuesday, felt more like a friendly than a Champions League match.
Chelsea secured top spot, above Barcelona, in Group A with a 2-0 home win over Levski Sofia.
Barcelona were held to a 1-1 draw away to Levante in the Primera Liga.
The result left Manchester United top of the EPL standings on 35 points, three ahead of Chelsea.
They were joined in the second knockout round by Bayer Leverkusen, who enjoyed a 5-1 demolition of Galatasaray, and now meet league rivals Hamburg SV, who dispensed with FC Zurich. Werder Bremen cruised through 4-0 on aggregate against Braga.
Werder Bremen goalkeeper Tim Wiese saved two first-half penalties as the Bundesliga side began their UEFA Cup campaign with a 3-0 win over Braga.
Chelsea will try to succeed where Manchester United failed when they meet Reading the Premier League on Saturday.
Manchester United's 100 percent start to the season will be tested by old foes Arsenal on Sunday.
Bundesliga title aspirants Hamburg SV struggled to a 1-1 draw at home against Arminia Bielefeld in their opening match of the season on Saturday.
Liverpool continued their revival with a 4-1 home win over Porto while Real Madrid lost 2-3 at Werder Bremen in Wednesday night's Champions League matches.
Injury-hit English clubs, Liverpool and Chelsea also open their European campaign on Tuesday.