The Sao Paulo midfielder has already agreed to join the club in January but admits it is difficult not to think ahead.
He said: “It is clear that I am focused to help my club São Paulo in the Brasileirão and Copa Sudamericana.
“But I do regularly think the challenges that lie ahead. I imagine the fact I will have lack of friends and my family.”
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The start of the 2017-18 Premier League season is just around the corner and is shaping up to be one of the most competitive yet.
As always it is the so called “big clubs” that have splashed the most cash in the transfer window so far this summer. Manchester United or City? Arsenal or Tottenham? Who are the winners and losers of the transfer window so far?