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.
What is your opinion? Feel free to discuss the article under. You have to comment by using your Facebook profile. Be fair and have respect for other people and opinions!
Being an amiable guy is good for you and Jurgen Klopp is living proof.
Summer 2016 is set to be a very exciting time for football fans, as this is when the long awaited Euro 2016 tournament kicks off.