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• If Barcelona beat Madrid on Tuesday they will set a new club record for successive home wins in UEFA competition. They equalled their previous best of nine, set from 1977 to 1979 and matched between 1993 and 1994, against FC Shakhtar Donetsk on Matchday 9.
UEFA Champions League statistics
• The Catalan club are the competition's highest scorers with 26 goals. They have been caught offside more than any other semi-finalist (41 times), but committed fewest fouls (127).
• Lionel Messi is the competition's top scorer with 11 goals and has had more shots on target than anyone (28). He is also Barça's all-time leading UEFA Champions League goalscorer with 36 in 55 games, overtaking Rivaldo (25 in 45) on Matchday 1.
• Daniel Alves has committed 24 fouls, the joint highest total for players still involved along with Lassana Diarra.
• José Pinto is suspended following his red card in the first leg.
Latest domestic information
• Saturday 30 April: Real Sociedad de Fútbol 2-1 FC Barcelona (Ifrán 71, Prieto 82pen; Thiago 29)
Pinto; Montoya (Alves 14), Piqué (Mascherano 63), Milito (Busquets 78), Fontás; Afellay, Thiago, Xavi, Keita, Jeffren; Messi
• The Catalan giants, who began the season with a club record ten successive Liga away wins, were unbeaten on their travels in 23 league games, a Spanish top-flight best, before Saturday.
• It ended Barcelona's 31-game unbeaten run in the Liga, one shy of Real Sociedad's 31-year-old Spanish top-flight record. Barça's previous best of 27 was set in 1973/74.
• Josep Guardiola made seven changes to the side that defeated Real Madrid last Wednesday, with only Messi, Xavi Hernández, Gerard Piqué and Seydou Keita retaining their places.
• Messi has scored 55 goals in 57 games for club and country this season, surpassing the previous best goal tally for a Spanish campaign of 49 set by Real Madrid's Ferenc Puskás in 1959/60.
• The Catalan outfit are 24 matches unbeaten at the Camp Nou in all competitions, winning 22 including the last nine.
• Messi has scored more goals at the Santiago Bernabéu than any Barcelona player has ever managed, taking his tally to six in the first leg.
• The first-leg victory was Guardiola's third as a coach at the home of Madrid, more than any other Barcelona coach.
• Guardiola suffered his first defeat in six finals as a coach on 20 April, Cristiano Ronaldo's 103rd-minute header earning Real Madrid a 1-0 victory at Mestalla in the Copa del Rey showpiece.
• Barcelona's record 16-match winning run in the Liga, surpassing Real Madrid's 1960/61 mark of 15 under Miguel Muñoz, ended with a draw at Real Sporting de Gijón on 12 February.
• Barça's club record 28-match unbeaten run ended when they lost 3-1 at Real Betis Balompié on 19 January.
• Xavi played his 550th game for Barcelona on 5 January, surpassing Migueli's club record.
• The 8-0 win at UD Almería on 20 November equalled Barça's record for a Liga away victory.
• Andrés Iniesta has not played since damaged his right calf ahead of the first leg. Maxwell has been out with a groin injury since 23 April and Adriano tore a right thigh muscle in the Copa del Rey final.
• Martín Montoya's first start for Barcelona on Saturday lasted 14 minutes after he suffered a broken collarbone and dislocated shoulder. Gabriel Milito tore a thigh muscle scoring a disallowed goal late on and is out for four weeks.
• Carles Puyol had played one game since 22 January due to knee and hamstring injuries before the first leg.
• Bojan is likely to miss the rest of the season after suffering a partial tear to a left knee ligament on 9 April.
• On 17 March Éric Abidal underwent surgery to remove a liver tumour.
• Cristiano Ronaldo's goal at Tottenham Hotspur FC on Matchday 10 was Madrid's 900th in UEFA competition. They are the first team to reach that total.
UEFA Champions League statistics
• Before the first leg Madrid had not conceded at home in the 2010/11 UEFA Champions League. They have kept eight clean sheets in 11 games this season, surpassing their previous record of seven achieved in 1997/98 and 2001/02 – they won the title on both occasions.
• Madrid have had more shots on target (85) and wide (86) and won more corners (68) than any other semi-finalist.
• Mesut Özil has claimed six assists; more than any other player.
• Ronaldo has had 29 shots wide, more than any other player. He has also suffered 25 fouls, the joint highest total along with Wesley Sneijder.
• Lassana Diarra has committed 24 fouls, the joint highest total of players still involved along with Daniel Alves.
• Sergio Ramos, who serves a one-game ban in the second leg, and FC Schalke 04's Jefferson Farfán are the only players to have collected five yellow cards in this season's competition.
• Pepe is also banned following his first-leg dismissal although Ricardo Carvalho is available following a one-game suspension. Ronaldo, Emmanuel Adebayor, Ángel Di María and Raúl Albiol are within a booking of a ban.
Latest domestic information
• Saturday 30 April: Real Madrid CF 2-3 Real Zaragoza (Ramos 62, Benzema 84; Lafita 41 77, Gabi 54pen)
Casillas; Ramos, Carvalho, Garay, Nacho (Marcelo 53); Granero (Özil 60), Pepe, Canales (Di María 53), Kaká; Benzema, Higuaín
• Carvalho was sent off six minutes from time as Madrid slipped to their first back-to-back defeats of the season. It is the fourth time in five games they have had players dismissed.
• José Mourinho made eight changes to the side that started the first leg against Barcelona, with only Iker Casillas, Ramos and Pepe retaining their places. Casillas and Ramos, captain and vice-captain, paraded the Copa del Rey trophy prior to kick-off.
• Casillas made his 561st appearance for Madrid against Zaragoza, moving level with Pirri in seventh on the club's all-time appearance list. He is still some way short of Raúl González's record of 741.
• Madrid have conceded eight goals in their last three games, as many as they shipped in 22 previous outings.
• Mourinho's 150-match unbeaten run at home in the league ended on 2 April when Real Sporting de Gijón won 1-0 at the Santiago Bernabéu. It was his first home league loss since 23 February 2002 when SC Beira-Mar overcame his FC Porto side 3-2. After leaving Porto in 2004 he extended the run with Chelsea FC (2004 to 2007) and FC Internazionale Milano (2008 to 2010) before moving to Madrid.
• Ronaldo has amassed 45 goals in 53 appearances for club and country this season.
• Madrid have had players sent off in each of their last four meetings with Barcelona.
• On 20 April Madrid lifted the Copa del Rey for the first time in 18 years after Ronaldo's 103rd-minute header earned a 1-0 win against Barcelona in Valencia. Di María was sent off in the last minute of extra time.
• It was the Merengues' first title since the 2008 Spanish Super Cup and Mourinho has now won domestic cup competitions in Portugal, England, Italy and Spain.
• Madrid have scored six or more goals five times this season, most recently a 6-3 win at Valencia CF on 23 April.
• The 8-0 win against UD Levante on 22 December was the Merengues' biggest victory since Emilio Butragueño and Hugo Sánchez scored four apiece in a 9-1 win against FC Wacker Innsbruck in the European Champion Clubs' Cup second round on 24 October 1990.
• Sami Khedira has not played since 20 April after tearing his right adductor muscle in the Copa del Rey final.
• Fernando Gago, who missed the first half of the season with a knee problem, tore an adductor on 4 March.