Premier League calls on Football Supporters ' Federation to regulate prices . 'Twenty 's plenty ' campaign seeks to cap ticket costs for travelling fans . Football Supporters ' Federation chairmen met for first time since bumper £5bn TV deak .
Football Supporters ' Federation calls on Premier League to regulate prices . 'Twenty 's plenty ' campaign seeks to cap ticket costs for travelling fans . Premier League chairmen met for first time since bumper £5bn TV deak .