Top - seeded teams in Champions League 2 will be title holders . Top placed league winners will be joined by the winners of the competition . Change in regulations would mean Arsenal and Porto drop down . Atletico Madrid and Real Madrid also face drop from top seeds . Chelsea would qualify as top seeds if they win the Premier League .
Top-seeded teams in Champions League groups will be title holders . Top seven league winners will be joined by the holders of the competition . Change in regulations would mean Arsenal and Porto drop down . Atletico Madrid and Real Madrid also face drop from top group . Chelsea would stick as top seeds if they win the Premier League .