They used to be called linesmen but now they're referee assistants and they help the referee with offside decisions and signal a number of things, such as throw-ins and substitutions. If the manager ...

Other match officials (two assistant referees, a fourth official, two additional assistant referees, a reserve assistant referee, a video assistant referee (VAR) and at least one assistant VAR (AVAR)) ...

The video assistant referee (VAR) will be Jerome Brisard ... the Frenchman is highly rated by Uefa for his movement and positioning on the field of play. The 42-year-old also works as a physical ...