Close challengers in the Spanish title race, FC Barcelona and Club Atlético de Madrid will transfer their domestic rivalry to the UEFA Champions League stage when they meet in their quarter-final first leg at the Camp Nou.
• Barcelona go into the tie seeking a record-extending seventh successive semi-final appearance and hoping their greater experience will tell against an Atlético side who were last at this stage in 1997. Yet the Rojiblancos are unlikely to be daunted in their pursuit of a first semi-final since 1974 given that they are one of only two unbeaten teams still left in the 2013/14 UEFA Champions League, along with neighbours Real Madrid CF.
• The tie also pits together two Argentinian coaches in Barcelona's Gerardo Martino and Atlético's Diego Simeone.
• Barcelona have hosted Atlético 105 times before in all competitions with a record of 60 home wins, 19 Atlético victories and 26 draws.
• Their last Camp Nou encounter in the Liga brought a 4-1 win for Barcelona in December 2012. Radamel Falcao gave Atlético a 30th-minute lead but the hosts hit back through Adriano, Sergio Busquets and Lionel Messi (2).
• The last two-legged encounter between the sides came in this season's Spanish Super Cup last August, when reigning Liga champions Barcelona beat Cup winners Atlético on away goals after following up a 1-1 draw in Madrid – where Neymar cancelled out David Villa's strike with his first goal in Spain – with a 0-0 draw at the Camp Nou.
• It also finished goalless when the teams faced each other at the Vicente Calderón in the Liga on 11 January this year. The lineups were:
Atlético: Courtois, Juanfran, Godín, Miranda, Filipe Luís, Tiago (Rodríguez 82), Gabi, Arda Turan, Koke, Villa (García 77), Diego Costa.
Barcelona: Valdés, Alves, Mascherano, Piqué, Alba, Busquets, Xavi, Iniesta (Messi 46), Pedro (Sergi Roberto 82), Sánchez (Neymar 67), Fàbregas.
• Barcelona won the sides' most recent two-legged Copa del Rey encounter 5-2 on aggregate in the 2008/09 round of 16.
• Atlético's last win at Barcelona was a 3-1 Liga success in February 2006, with Maxi Rodríguez and Fernando Torres (2) scoring.
• Simeone was in the Atletico team that beat a Barcelona side including Carles Busquets – father of current Barça midfielder Sergio –1-0 after extra time in the 1996 Copa del Rey final. That is one of just two cup finals contested by the two teams; the first back in 1926 finished 3-2 to Barcelona.
• Four-time winners Barcelona are competing in a record-equalling seventh consecutive UEFA Champions League quarter-final. Overall, this is their 16th European Cup quarter-final and they have a record of 13 wins and two defeats. They had no quarter-final stage to negotiate when reaching the final in 1991/92 and 1993/94.
• Atlético have not been at this stage since 1996/97 when a side including Simeone lost 4-3 on aggregate to AFC Ajax. Atlético's overall quarter-final record is three wins and two defeats from five appearances.
• Barcelona last faced a fellow Liga outfit in Europe when defeating Real Madrid in the 2010/11 semi-finals. Josep Guardiola's side won 2-0 in Madrid – Messi scoring twice – before a 1-1 draw back in Barcelona.
• The Catalan club have recorded four wins and five losses from nine two-legged ties against Spanish rivals in UEFA competition. They also lost the 2006 UEFA Super Cup 3-0 to Sevilla FC in Monaco.
• On the two previous occasions that Barcelona beat a compatriot club in the European Cup, they reached the final – in 2011 after overcoming Madrid, and, before that, after bettering the same opponents 4-3 on aggregate in the 1960/61 first round.
• Atlético have a strong record in UEFA competition ties against fellow Spanish clubs. Two seasons ago they beat Athletic Club 3-0 in the UEFA Europa League final, having seen off Valencia CF 5-2 on aggregate in the semi-finals. They also defeated Valencia en route to winning the same competition in 2010, prevailing on away goals in the quarter-finals with a 2-2 away draw before a stalemate at the Vicente Calderón.
• Excluding the UEFA Intertoto Cup, Atlético's only defeat in four previous two-legged European ties against compatriot clubs came against Madrid back in the 1958/59 European Cup semi-finals. After both teams traded home wins, the Merengues won a replay in Zaragoza 2-1.
• With their 2-1 home victory against Manchester City FC last time out, Barcelona maintained their 100% home record at the Camp Nou in the 2013/14 competition. They have lost just one of their last 26 European home outings, winning 20.
• Atlético are unbeaten on their travels in this season's competition with three wins – including their 1-0 success at AC Milan in the round of 16 – and a draw.
• Opposing coaches today, Martino and Simeone were on-field rivals back in Argentina. In a January 1988 league fixture between Martino's CA Newell's Old Boys and Simeone's CA Vélez Sarsfield – which Vélez won 2-1 – Martino was sent off for a challenge on Simeone, who was himself dismissed soon afterwards.
• In 1989/90 Simeone hit the only goal in Vélez's 1-0 win against Newell's, while Martino scored in the sides' 2-2 draw in the return fixture. In June 2005 Simeone found the net for Racing Club de Avellaneda in a 2-2 draw with a CA Colón side then coached by Martino.
• Simeone may have got the better of Barcelona in the 1996 Copa del Rey final as a player but as a coach, the Argentinian has failed to beat the Blaugrana in six attempts, drawing three and losing three.
• As a player, Simeone's record in Liga matches against Barcelona with Sevilla and Atlético was P7 W1 D3 L3. His only goal against Barça came on his first visit to the Camp Nou with Sevilla in May 1994, when he hit the opener 12 minutes into a fixture his team led 2-1 at half-time before succumbing 5-2. Simeone was sent off in Atlético's 5-2 home defeat against Barcelona in 1997.
• Villa won the 2011 UEFA Champions League, as well as two Liga titles, while at Barcelona between 2010 and 2013. In that time he scored 33 goals in 77 Liga appearances, and another eight in the UEFA Champions League – including one in the Wembley final victory against Manchester United FC.
• On his way to lifting the 2003/04 Copa del Rey with Real Zaragoza, Villa hit the penalty winner in a 1-0 quarter-final success at Barcelona. His overall record against the Blaugrana for Zaragoza, Valencia and Atlético reads P17 W5 D8 L4, scoring eight goals.
• Messi has scored 20 goals in 19 outings against Atlético, including three hat-tricks.
• On 5 March this year, Diego Costa made his debut for Spain against Italy in a team including Jordi Alba, Busquets, Cesc Fàbregas, Andrés Iniesta and Pedro Rodríguez.
• Adrián López scored his first top-flight goal seven minutes into his first appearance at the Camp Nou as a substitute in RC Deportivo la Coruña's 2-1 Liga defeat in March 2007.
• Raúl García scored the decisive third goal in CA Osasuna's 3-2 home victory against Barcelona in February 2012.
• Koke was part of Spain's winning team at the 2013 UEFA European Under-21 Championship along with Marc Bartra, Martín Montoya and Cristian Tello.
• Bartra made his senior Barcelona debut in a 2-1 defeat at Atlético in February 2010.
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