Five Arsenal players to have impressed at the 2014 World Cup including new £35m signing Alexis Sanchez

1. Alexis Sanchez, Chile

Yet top of the pile is a new £35m signing for the Gunners, second only to Ozil in terms of most expensive players ever for the club.

Sanchez helped his nation progress from a tricky Group B ahead of reigning champions Spain and scored two goals before hosts Brazil knocked the Chileans out.

SEE ALSO: Arsenal transfer rumours.