Marc-Andre ter Stegen played a crucial part in Barcelona 's victory against Manchester City as he thwarted Sergio Aguero 's 78th-minute penalty effort , but it looks like the Barca goalkeeper has one of his team-mates to thank for his spot-kick heroics . Trailing 1-0 on the night , and 3-1 on aggregate , City were handed a lifeline when Aguero was tripped by Gerard Pique in the penalty area . Referee Gianluca Rocchi pointed to the spot with City 's top scorer stepping up to take the penalty . As Aguero got ready for his spot-kick , Barca midfielder Javier Mascherano pointed in the direction he thought his fellow Argentine would shoot . Javier Mascherano ( top centre ) points in the direction he thinks Sergio Aguero will shoot . Aguero gets ready to take his spot-kick as Mascherano gestures to his keeper Marc-Andre ter Stegen . Ter Stegen guesses correctly to save Aguero 's effort and deny City a lifeline in the 78th minute . Mascherano rushes to congratulate Ter Stegen following his penalty save late on at the Nou Camp . Ter Stegen admitted that Mascherano advised him but he decided to make up his own mind in the end . Lo and behold , Aguero fired his penalty effort in the same direction with Ter Stegen taking Mascherano 's advice and diving the same way . Mascherano admitted trying to advise his keeper on which way to dive for Aguero 's penalty . ' I know from international duty how he takes spot-kicks , ' said the midfielder after the game . Ter Stegen admitted being advised by both Mascherano and Rafinha but in the end made his own mind up . Manchester City were eliminated at the last 16 stage after failing to overturn their first-leg deficit . VIDEO Enrique hails 'special night ' for Barca .
Ivan Rakitic scored the only goal of the 78th minute at the Nou Camp . Sergio Aguero missed a late penalty which would have given Manchester City a lifeline . Barca goalkeeper Marc-Andre ter Stegen saved Aguero 's spot-kick in the night . Javier Mascherano appeared to advise Ter Stegen which direction Aguero would shoot prior to his penalty effort . Read Martin Samuel 's match report from the Nou Camp .