Barca see Cala as cover for Dani Alves and are weighing up meeting the youngster's €12 million buyout clause.
"Well, it's the best team in the world and it is an honor reading they are interested in me," said Cala. "It is an honor, but now I only think of Sevilla.
"In football anything can happen. I've been here half my life and my dream is to succeed at Sevilla. But if they received a good deal ..."