Atletico Madrid v Barcelona factfile
Factfile on Atletico Madrid and Barcelona ahead of their Champions League quarter-final, second leg tie on Wednesday:
Form: Atletico continue to lead the way in La Liga with just six games remaining as despite being without top scorer Diego Costa and captain Gabi they did enough to squeeze out a 1-0 win over Villarreal on Saturday to secure a sixth straight league win.
Barcelona remain on their heels just one point behind as they too laboured to 3-1 win over Real Betis at the weekend.
However, there is nothing to separate the sides in four previous meetings this season as all four have ended in draws with both sides managing to score just twice.
Barcelona - Gerardo Martino (ARG) 51 yrs
Atletico Madrid - Diego Simeone (ARG) 43 yrs
Leading scorers in all competitions
Barcelona - Lionel Messi (38 goals)
Atletico Madrid - Diego Costa (33 goals)
Domestic league performance
Barcelona - Second in La Liga, a point behind leaders Atletico
Atletico Madrid - First in La Liga with six games to go and three points ahead of third-placed Real Madrid.
Last 16 performances:
Barcelona - beat Manchester City 4-1 on aggregate thanks to a 2-0 win in the first leg at the Etihad before finishing the tie off with a 2-1 victory at the Camp Nou.
Atletico Madrid - Overcame AC Milan with ease 5-1 on aggregate. A 1-0 win at the San Siro setting up a famous night at the Vicente Calderon as Atletico emerged victorious 4-1 on the night.
European Cup/Champions League best performances:
Barcelona - winners 1992, 2006, 2009, 2011
Atletico Madrid - runners-up 1974
Barcelona - 22 x Spanish champions, 26 x Copa del Rey winners, 4 x Cup Winners' Cup winners, 3 x Inter-Cities Fairs Cup winners, 2 x Club World Cup winners, 1 x Intercontinental Cup winners
Atletico Madrid - 9 x Spanish champions, 10 x Copa del Rey winners, 2 x Europa League winners, 1 x Cup Winners' Cup winners, 1 x Intercontinental Cup winners
Previous meetings: Last week's 1-1 draw at the Camp Nou was the first time the clubs have met in European competition. Barcelona lead the historical head-to-head between the two 93-74 with 49 draws.