For football players, the World Cup is the ultimate shop window.

With the eyes of the entire planet watching, good performances in this tournament can earn mega moves to the world's most glamorous club sides.

With Ecuador World Cup star Enner Valencia having completed a near £15m move to West Ham United, GMS contributor Harry Diamond takes a look at some other transfers based on players' performances at the biggest tournament of them all.

Some fared better than others, so click 'begin slideshow' to get started....

Salif Diao
Carlos Tevez
World Cup
El-Hadji Diouf
Ricky Villa
Ossie Ardiles
Gilberto Silva