referee

Hallgrimsson had said that, in Portugal's win over the Republic of Ireland in October, Ronaldo - who had a penalty saved in that game - was "controlling the referee".

Fans often experience joy when their team scores and anger or frustration at losses or poor referee calls.

My biggest issue is that referees and the VAR are becoming more important than the game itself.

Premier League referees' chief Howard Webb says it was "not unreasonable" for Virgil van Dijk's goal to be disallowed for offside against Manchester City on Sunday.

After asking players, pundits and referees what changes they would make to reinvent football, we opened the debate up to you.