BARCELONA FACE A REGISTRATION PROBLEM NOW FOR THEIR EUROPA LEAGUE.

  So Pierre Emerick Aubameyang has now given Barcelona board their first headache .

 Now according to F.I.F.A rules a club can only register three players after a   transfer window.

 But now Barcelona have got four p;players to register for the Europa League and they are Ferran Torres, Dani Alaves, and Adam Tarore, and now Pierre Emerick Aubameyang.

 So it looks like PierreEmerick Aubameyang will be dropped from being registered.