UEFA has confirmed two significant rule changes for this season's Champions League, with both set to come into force as Europe's biggest club competition gets underway. Champions League qualifying is already underway, with clubs including Fenerbahce, Lyon, Bodo/Glimt and Olympiacos beginning their campaigns ahead of the league phase later this year. PSG beat Arsenal in the Champions League final last season | GETTY The amendment will also apply across UEFA's other major club competitions, including the Europa League and Conference League. Meanwhile, PSG will be hoping to retain the Champions League once again this season following triumphs in 2025 and 2026. Aston Villa and Crystal Palace won the Europa League and UEFA Conference League respectively last season.