UEFA has announced that starting from 2018/19 campaign, teams playing in the Champions League and Europa League will be allowed to field a fourth substitute in matches that go to extra time. In the ongoing World Cup, the rule has already been successfully implemented and European football’s body updated its rules on replacements for various competitions.
The additional substitute will also be available to teams playing in the UEFA Super Cup, the Women’s Champions League, European Championship and European Women’s Championship. Meanwhile, five changes per team will be permitted in the UEFA Youth League and the Under-17 and Under-19 European Championships for men and women.