"We are negotiating with the Czech and with four or five players of the same quality," he told the Spanish press.
"These players are from Europe and South America and we are trying to do things in plenty of time, both with Baros and with the others.
"Some of the players who are coming are going to replace those who are already here, so it is for the best that we do not speak too much about the subject.
"I don't want the team to lose concentration as we aim for our objective of returning to Europe."