Los Blancos could be in the market for another center back if they want to deploy Xabi Alonso's preferred back three next season.

Real Madrid have presented new signing Alvaro Carreras to the press, after a lengthy transfer saga. Los Blancos announced the deal on Monday evening, with Benfica set to receive €50m in

The Spain youth international has spent time at Manchester United, Preston North End, Grenada and Benfica since he was last at Madrid.

Real Madrid have made their fourth signing, with Benfica left-back Álvaro Carreras heading to the Santiago Bernabeu. The deal has been scheduled to take place for some time, but negotiations haven't been smooth,

The left-back originally represented Madrid's academy before joining Manchester United as a youth-team player.