Monday 2 February 2015 14:52, UK
Bundesliga side Hamburg have signed midfielder Marcelo Diaz from Basel on a two-and-a-half-year deal.
The Chile international has signed a contract until 2017 after passing a medical.
Hamburg sporting director Peter Knaebel said: "We saw Marcelo's qualities at the World Cup last summer. He is someone who wants the ball, wants the game focused on him even in difficult situations.
"He can be a bridge (from defence to attack) for our game when we go forward. That is what I expect from him and that is what he has already done at top level."
Hamburg, backed by billionaire Klaus-Michael Kuehne, have also boosted their frontline by bringing in experienced Croatian striker Ivica Olic from Wolfsburg.
The 16th-placed club are only out of the relegation zone because they have a better goal difference than Stuttgart.