Fifteen teams competed in the competition last summer, with Premier League sides Manchester United and Chelsea playing in the USA.
Manchester City, meanwhile, competed in Australia in friendlies against Real Madrid and Roma.
It was claimed that the Premier League’s top five clubs have met to discuss a breakaway European tournament that has gained traction over recent years.
Bayern Munich chief executive Karl-Heinz Rummenigge, who is also the chairman of the European Club Association, has reportedly held talks with counterparts from France and Italy over how to maximise revenue from the Champions League.
American billionaire Stephen Ross, meanwhile, is said to be driving the idea of a compete breakaway league that could have a similar commercial structure to the NFL.