Barcelona

UEFA Champions League statistics
• Xavi Hernández has completed 757 passes to date, 318 more than any other player, despite sitting out matchday six. He has completed 90% of the passes he has attempted.

• Lionel Messi has scored 56 UEFA Champions League goals, level with Ruud van Nistelrooy and behind only Raúl González (71).

• Barcelona have enjoyed 70% of possession to date, completing 5,008 of their 5,910 attempted passes with an 85% success rate – all higher than any other side.

• The Catalan giants have committed fewer fouls (58) than any other team still involved.

• Adriano, Alex Song, Javier Mascherano and Pedro Rodríguez's next bookings will incur a suspension.

UEFA Champions League squad changes
• In
None

• Out
Isaac Cuenca (AFC Ajax, loan)

• Marc Muniesa damaged knee ligaments in pre-season and is not in the UEFA Champions League squad.

Miscellaneous
• Barcelona had conceded at least once in each of their last 13 games in all competitions, their worst ever sequence, before Saturday's 2-0 win against RC Deportivo La Coruña.

• José Manuel Pinto made his first league appearance of the season on Saturday as Víctor Valdés began a four-match Liga ban following his sending off after the final whistle of the 2-1 defeat by Real Madrid CF on 2 March.

• Messi has scored in a record 17 consecutive Liga games for Barcelona, surpassing the previous mark of ten set by Mariano Martín (Barcelona, 1942/43-1943/44) and Ronaldo (Real Madrid, 1996/97).

• The first-leg defeat began a run of three reverses in four games; after beating Sevilla FC, Barcelona lost twice in four days to Real Madrid. The last time they suffered three defeats in four games was in April/May 2008.

• Messi's goal in the 2-1 Liga loss to Madrid was his 18th in the fixture, equalling Alfredo Di Stéfano's Clásico record.

• Before the first leg the Blaugrana had registered at least a goal in each of their previous 21 games on the road in all competitions.

• On 21 February, Éric Abidal was given the all-clear to return to action for the first time since a liver transplant on 10 April 2012.

• Tito Vilanova underwent surgery and chemotherapy on a tumour in his saliva gland in December.

• Barcelona's 19-game unbeaten start to the top-flight campaign – 18 wins, one draw – ended on 19 January when Real Sociedad de Fútbol came from two down to triumph 3-2.

• Messi scored 91 goals for club and country in 2012, surpassing Gerd Müller's calendar year record of 86 set in 1972. He collected a record fourth FIFA Ballon d'Or in January, with Andrés Iniesta third in the voting and Xavi fourth.

• Puyol won his 100th cap on 6 February as Spain beat Uruguay 3-1 in Doha.

Milan

UEFA Champions League statistics
• Kevin-Prince Boateng's first-leg goal was the Rossoneri's 400th in the European Cup.

• Sulley Muntari's first-leg goal was his first in UEFA club competition on what was his 34th appearance.

• At 19 years and 342 days, Stephan El Shaarawy became Milan's youngest UEFA Champions League goalscorer when he found the net against FC Zenit St Petersburg on matchday two.

• Philippe Mexès, Daniele Bonera, Mathieu Flamini and Riccardo Montolivo will incur a suspension with their next bookings.

UEFA Champions League squad changes
• In
Sulley Muntari, M'Baye Niang, Bakaye Traoré

• Out
Francesco Acerbi (Genoa CFC), Adrià Carmona (Real Zaragoza, loan), Urby Emanuelson (Fulham FC, loan), Djamel Mesbah (Parma FC), Pato (SC Corinthians Paulista)

• Muntari picked up a knee injury playing beach football while on holiday last summer that kept him out until December.

• Milan signed Manchester City FC's Mario Balotelli in January but the Italy striker is ineligible for this competition.

• The Rossoneri also brought in defender Cristian Zaccardo from Parma and Polish Under-21 international Bartosz Salamon from Brescia Calcio. Italian U21 midfielder Riccardo Saponara will join in June from Empoli FC.

Miscellaneous
• Milan earned a hard-fought 2-0 win at Genoa CFC on Friday, Giampaolo Pazzini scoring the stunning opener despite struggling with a leg injury that forced him off immediately after; Philippe Mexès went off with a muscle knock at half-time. The visitors played the last 25 minutes with ten men after Kévin Constant was sent off.

• Pazzini, who has scored nine goals in his last 11 appearances, has been left out of the squad for the Barcelona match after a scan on Sunday revealed "heavy bruising and a micro-fracture to the right fibula".

• Massimiliano Allegri's side were 13th in Serie A in mid-November but a run of 11 wins in 15 league outings has lifted them to third.

• The Rossoneri have scored at least once in each of their last nine games.

• Luca Antonini has not featured since twisting his knee on 14 February but played 90 minutes for Milan's youth side at the weekend.

• Milan have not lost by a three-goal margin since their 3-0 defeat at Arsenal FC in last season's UEFA Champions League round of 16 second leg on 6 March 2012. They also lost 4-0 away to Manchester United FC at exactly the same stage of the competition in 2009/10.

• The Rossoneri are unbeaten in the league in 2013, winning seven and drawing three.

• Of the 63 goals Milan have scored this season in all competitions, 44 have come after half-time.

• El Shaarawy has scored 23 goals in 41 games for club and country this term. He signed a 12-month contract extension on 28 February tying him to the club until 2018.

• Nigel de Jong is likely to miss the rest of the season after rupturing his left Achilles tendon in December.

• Milan lost six of their first 14 Serie A fixtures, their worst start to a campaign since 1941/42.