Barca's unbeaten run and Liverpool's Camp Nou history - Champions League in numbers

Liverpool goes to Barcelona looking to continue its strong Camp Nou record in the Champions League semifinals. We look at the numbers.

Barcelona welcomes Liverpool to Camp Nou on Wednesday in the first leg of a crunch Champions League semifinal.

With surprise performers Tottenham and Ajax making up the other last-four fixture, the winner of the two-legged affair between Barca and Jurgen Klopp's men will likely be considered the favourite for the title.

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The two teams are in top form - Barca retained the title in La Liga on Saturday - and look well matched ahead of an enticing fixture.

We pick out the numbers ahead of the opening encounter.

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1  - Liverpool is the only English side to win away at Barca in European competition, beating it 1-0 in the 1975-76 UEFA Cup and 2-1 in the 2006-07 Champions League.

4  - The Reds have not lost in any of their four previous away meetings with Barca in all competitions (W2 D2). Against no other side do they have a better unbeaten away record in all European competitions (also four against Porto).

11  - This is Liverpool's 11th appearance in the European Cup or Champions League semifinals. It has progressed from eight of its previous 10, failing only in 1964-65 (against Inter) and 2007-08 (against Chelsea).

14  - Only Steven Gerrard (21) has scored more European Cup or Champions League goals for Liverpool than its attacking trio of Mohamed Salah, Sadio Mane and Roberto Firmino (14 each).

27  - Barca has won more Champions League games against English sides than any side has won against clubs from any specific nation in the competition's history.

24  - Lionel Messi has scored 24 goals in just 32 Champions League matches against English opposition. However, the Barca forward has failed to net in his two previous appearances against Liverpool.

31  - Barca is unbeaten in 31 Champions League home games (W28 D3), the best such run in the competition's history. It has conceded just 15 goals in that streak, and never more than once in a match.

500  - Barca's next goal in the Champions League will be its 500th in the competition; only rival Real Madrid (551) has scored more.