Key stats and facts ahead of Besiktas tie

Liverpool take a 1-0 lead to Istanbul following last week's first leg at Anfield, where Mario Balotelli scored an 85th-minute winner from the penalty spot.

The teams have met once before in Turkey. In the Champions League group stage in October 2007 the Reds were defeated 2-1. Steven Gerrard netted a late consolation for Rafael Benitez's side. 

Overall, Liverpool have met Turkish opposition 11 times, winning six, drawing two and losing three.

In Turkey, Liverpool have lost three of their five visits to play Turkish opposition, winning once - at Trabzonspor in a Europa League qualifying game under Roy Hodgson in 2010.

Liverpool's most famous visit to Turkey came in 2005 when they defeated AC Milan in the Champions League final at tonight's venue - the Ataturk Stadium - on penalties after trailing 3-0 at half-time.

The Reds have not won in their last four games away from home in Europe since a 1-0 victory at Udinese in the group stage of this competition in December 2012, when Jordan Henderson scored the only goal.

Liverpool have failed to find the net in eight of the last 14 away ties in Europe, scoring 11 goals in that time - five coming in one game at Young Boys. 

Liverpool have taken a lead to a second leg away tie 37 times in their European history and have won 33 of them.

When the lead has been a single goal they have progressed on 10 of 13 occasions. They lost to Dinamo Tblisi in 1979, CSKA Sofia in 1982 and Bayer Leverkusen in 2002 - all in the European Cup/Champions League.

On seven occasions, the Reds have taken a slender 1-0 lead away from home and have progressed in five, with the only blemishes being the above games with CSKA and Leverkusen.

A dozen Liverpool players have been red carded in Europe - the last being issued to Lazar Markovic at home to FC Basel last December, which earned the Serb a four-match ban.

Gerrard is the last Liverpool player to score a European hat-trick - doing so as a substitute against Napoli at Anfield in this competition in 2010. It is one of 17 hat-tricks recorded by Reds players in Europe. 

Only one Reds player has scored a European hat-trick away from home. Michael Owen hit three away to FC Haka in a Champions League qualifier in 2001 and repeated the feat in Moscow against Spartak in the group stage a year later.

The Reds have played in this round of the Europa League three times - progressing twice. In 2010 they eliminated Unirea Urziceni on their way to the semi-finals, while a year later they beat Sparta Prague. In 2013 they lost to Zenit St Petersburg.

Balotelli is Liverpool's joint leading scorer in Europe this season with two, alongside Gerrard. The Italian has scored five goals in 10 career games in the Europa League.

Only Simon Mignolet has started every Liverpool European game this season, while Raheem Sterling has also appeared in all seven.

Liverpool are among 11 former UEFA Cup or Europa League winners in the Round of 32. They are also amongst six last-32 contenders to have won the European Cup or Champions League.

Away from home, the Reds have suffered just one defeat in their last 10 games in league and cup competition, winning eight. In that sequence they have conceded five goals, with no team scoring more than once.

A dozen of Liverpool's matches in Europe have gone to extra time, with the last coming in April 2010 (above). They beat Atletico Madrid 2-1 after 120 minutes at Anfield, but went out in the Europa League semi-final via the away goals rule. 

Brendan Rodgers has won eight of his 13 games in charge of the club in the Europa League, conceding an average of exactly one goal per game.

Besiktas were founded in 1903 and in doing so became the first Turkish sports club.

They have won their domestic league title 11 times, the last in 2008-09, and the Turkish Cup on nine occasions. Last season they finished third in the league, behind champions Fenerbahce and Galatasaray.

They have not conceded a goal at home to an English club this season having played out a goalless draw with Arsenal in a Champions League qualifier before beating Tottenham Hotspur 1-0 in the Europa League group stage.

Besiktas have faced English teams 10 times at home in Europe, winning three, drawing four and losing three. They have beaten Liverpool, Stoke City and Tottenham and lost to Chelsea, Spurs and Manchester United.

The Turks are unbeaten at home in Europe this season, winning three and drawing two of their five games. In that sequence they have scored seven and conceded three.

The club's best seasons in European football came in 1986-87 and 2002-03, when they reached the quarter-finals of the European Cup and UEFA Cup respectively.

Demba Ba has netted 22 goals this season including a hat-trick against Feyenoord on this ground in a Champions League qualifier in August. He didn't play in their defeat at the weekend.