Atsu has signed a five-year contract and joins the Blues for a reported £3.5million fee.
Atsu has been loaned out to Dutch side Vitesse Arnhem for the rest of the season.
Atsu made 17 appearances for Porto in the league last season.
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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?
Being an amiable guy is good for you and Jurgen Klopp is living proof.