During the transfer window that coincided with the 2014 FIFA World Cup in Brazil, Wenger brought in David Ospina (Colombia) and Mathieu Debuchy (France) after seeing their performances while a pundit for French TV during the tournament, and also added young English defender Calum Chambers from Southampton. His most important signing, however, proved to be Alexis Sánchez, who also impressed during the tournament with Chile and who Barcelona was letting let leave in order to save money for the transfer of Luis Suárez from Liverpool.