Pau Cubarsi admitted his team were angry after letting slip a 4-2 lead against Atletico in the first leg of their Copa del Rey tie on Tuesday night.
Barcelona looked to be heading into the second leg of the semi-final tie in great shape but conceded twice late on in an absolute thriller.
Cubarsi says the players are left with a bad feeling after mounting an impressive comeback in the game.
“We are angry because it is a draw. We will give everything in the return leg and give the Catalans something to cheer about,” he told the media.