20 10 with the outbreak of the unsolved case of Lampard's war between Britain and Germany, more and more people focused on the goal line technology.
Then UEFA took the lead in trying to introduce baseline referees in the Europa League 10 to 1 1 season.
When the season was very effective, the bottom line referee was also introduced in the Champions League in the following season, that is, 1 1- 12.
20 12 European cup, baseline referee advanced.
At present, UEFA's attempt has achieved good results. It is estimated that it is only a matter of time before it is extended to FIFA events.