Fabio Silva has certainly taken to life at Rangers but he’ll have to put club allegiances to one side as he links up with a Celtic star on Portugal duties. The Ibrox loanee, 21, has been called up to the Portugual U21 squad alongside Celtic midfielder Paolo Bernardo, 22, as they continue their U21 Euro qualifying campaign. In the midst of a title battle, the two players will be lining up on the same team and we wonder if there will be any words spoken about the neck-and-neck battle for silverware this season. With matches to come v the Faroe Islands (21/03) and Croatia (26/03) perhaps both set…