 However, each team will only be given three opportunities to make substitutions, with a fourth opportunity in extra time, excluding substitutions made at half-time, before the start of extra time and at half-time in extra time.This follows a proposal from FIFA and approval by IFAB to lessen the impact of fixture congestion.In the knockout phase, teams from the same or nearby cities (e.g., Porto and Braga) are not scheduled to play at home on the same day, due to logistics and crowd control.