Manchester City boss Pep Guardiola believes a 400 or 500-day year would be required for Champions League expansion because Premier League clubs already play too many games.
The European Club Association (ECA) and UEFA are said to be in talks about adding another four matchdays to the Champions League schedule, which would result in finalists playing 17 games.
However, with City's trip to Sheffield United on Tuesday their eighth game in the past three and a half weeks, Guardiola is an advocate of taking a scythe to the gruelling schedule in England.