Yaya Toure believes Manchester City will have to be wary of trying to 'run after the score ' as they look to overturn a 2-1 Champions League last 16 aggregate deficit against Barcelona on Wednesday . Former Liverpool striker Luis Suarez scored twice in the first leg last month before Sergio Aguero gave City a ray of hope to take into the Nou Camp , but Toure admits his side must remain calm during the early stages . Speaking to Nissan , the official automotive sponsor of the UEFA Champions League , Toure said : 'It is always difficult to play against Barcelona when you have to run after the score . Yaya Toure ( left ) and Sergio Aguero arrive at Manchester airport ahead of their flight to Barcelona . Joe Hart ( left ) and Vincent Kompany will know keeping a cleansheet at the Nou Camp will be crucial . 'But in football anything can happen , we have our chance and they have their chance as well and we will see on March 18 . ' Despite the daunting task of having to beat Luis Enrique 's side by two clear goals in order to qualify , Toure , who will be returning to action after a three game European suspension , insists that City have the players to pull off the feat . He added : 'We have got a few fantastic players at City and I think it is a 50-50 game because they won [ the first leg ] 2-1 . ' City boss Manuel Pellegrini will be hoping his side can record a memorable night in Barcelona . Frank Lampard ( left ) and Samir Nasri make phone calls shortly after getting of the team bus . Aguero arrived at Manchester airport slightly later than the rest of his City team-mates . Toure believes City must be wary of trying to 'run after the score ' against Barca on Wednesday . The City players are put through their paces on Tuesday before boarding their flight to Barcelona . Toure was speaking to Nissan , the official automotive sponsor of the UEFA Champions League , as part of his role as the car manufacturer ’ s global ambassador .
Yaya Toure believes Manchester City will remain calm during their League last 16 clash against Barcelona . City are looking to overturn a 2 - 1 first leg deficit at the Nou Camp . Toure admits they must n't ' run after the score ' on opening day . Sergio ##pool 's strike gave City hope going into the second leg . CLICK HERE for all the latest Manchester City fixtures .