Twelve of Europe's top clubs announced on Sunday they were launching a breakaway Super League, headed by Real Madrid president Florentino Perez.
AC Milan, Arsenal FC, Atletico Madrid, Chelsea, Barcelona, Internazionale, Juventus, Liverpool, Manchester City, Manchester United, Real Madrid and Tottenham Hotspur have all joined as founding clubs, the statements added.
Madrid president Perez said: "We will help football at every level and take it to its rightful place in the world. Football is the only global sport in the world with more than four billion fans and our responsibility as big clubs is to respond to their desires.