Roy Hodgson has called on football authorities to exempt players from quarantine rules ahead of next month's international fixtures.
The Crystal Palace manager and former England boss revealed clubs have yet to be satisfied they will be able to select their star men when they return from playing in the March World Cup qualifiers.
Palace had five academy players and ten first team men called up by their respective countries in last round of international fixtures.
Hodgson, who takes his side to former club Fulham for a London derby on Sunday, said: 'The thing we are uncertain about around these international matches is whether the players are going to play for their clubs again.