The European Super League (ESL) is on "standby" despite nine of the 12 founding teams withdrawing, says Real Madrid president Florentino Perez.
Spanish club Atletico Madrid and Italian sides AC Milan and Inter Milan have also formally pulled out.
"We're going to continue working," said Perez. "The project is on standby."
Real Madrid, Barcelona and Juventus have not withdrawn, although Juventus chairman Andrea Agnelli said the project could not now proceed.
Speaking on the El Larguero show on Spanish radio station Cadena Ser, Super League chairman Perez claimed all 12 clubs "have not left yet".