The former European champions face the prospect of elimination from the Champions League should they lose to Villarreal.
The Catalans routed Panathinaikos 5-0 and marched into the last 16 of the Champions League.
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.
Top two teams in each group qualify for the first knockout round. Third placed team to play in the UEFA Cup.
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.
The European champions are likely to play CSKA Sofia in the Champions League third qualifying round.
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.
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.
Unfashionable Premier League side Fulham knocked favourites Juventus out of the Europa League after an astonishing 4-1 win over the Italians who finished the last 16 second leg game with nine men on Thursday.
UEFA Cup holders Shakhtar Donetsk were knocked out of the Europa League after being held to a 1-1 draw by visitors Fulham in their round of 32 tie Thursday. Former European champions Liverpool and Juventus progressed to the last 16 and Werder Bremen striker Claudio Pizarro scored a hat-trick as his side went through with a 4-1 win over former England manager Steve McLaren's Twente Enschede.
Anders Frisk says worries over his own and his family's safety especially since the contentious Champions League Barcelona v Chelsea game prompted him to quit refereeing.
Ricardo Costa's goal gave Porto a 1-1 draw with Inter Milan in the Champions League first knockout round, first leg.
The Argentine striker netted the only goal of the match as AC Milan scored an away victory over Manchester United in the first leg of their Champions League first knockout round tie
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.
Greece striker Angelos Haristeas has joined Ajax Amsterdam from Werder Bremen, the Dutch club said on Friday.
British bookmakers William Hill consider Chelsea 9-2 favourites to win the competition for the first time, followed by Barcelona and AC Milan on 11-2.
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.
The Brazilian was dismissed in injury time after he lashed out at Valencia's Marco Caneira.
Injury-hit English clubs, Liverpool and Chelsea also open their European campaign on Tuesday.
Captain David Albelda thinks his team needs to to have an 'ugly' defensive approach against Inter Milan.
The game was heading for extra time when Dutch striker Roy Makaay raced into the box and past a defender to hit the winner seconds before the final whistle.
Brazil remain optimistic over striker Ronaldinho's chances of being fit for Sunday's World Cup qualifier against Bolivia.
Greek media speculated the 32-year-old Brazilian would earn up to $1.86 million per year.
The Argentine defender joined Manchester United from Paris St Germain.
Santini always made it clear that Manchester City's Nicolas Anelka would not be on the list.
France coach Jacques Santini's team for the FIFA centenary match against Brazil in Paris on May 20.
Espanyol moved to the brink of an all-Spanish UEFA Cup final after demolishing Werder Bremen 3-0.
FIFA says a player who assumes a new nationality without a clear connection to that country will not be eligible to play for the national team.
A controversial penalty from top scorer Frederic Kanoute and an Alexander Kherzhakov header gave holders Sevilla a 2-1 first-leg lead over twice winners Tottenham Hotspur in their UEFA Cup quarter-final.