The Primeira Liga is using the technology this season, ... Giant flag foils Portugal VAR camera at Boavista-Aves match. ESPN staff Feb 7, 2018, 08:18 AM ET. Email; Print; ...

Cristiano Ronaldo and the Portugal team will be wrapped in the national flag by a radical new shirt design for the World Cup in diagonal blocks of red and green unveiled on Thursday.

The Primeira Liga is using the technology this season, but the referee was thwarted by the flag when he attempted to use it to check whether an Aves goal in their 3-0 win was offside.