"I would be very happy if David Luiz came to Barcelona," said Alves. "I always want the best for my friends and I recommend them to go to Barcelona whenever the opportunity arises. David is not only a friend, but also has a lot of qualities.
"The problem is I do not think Jose Mourinho will let him join us.
"It would mean that he makes us even stronger. It is incredibly difficult, almost impossible."
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