Celtic are actively pursuing a deal for Paulo Bernardo following his loan spell at the club from Benfica last term. The Portugal Under-21 international has a buyout clause sitting at around £6 million, which is thought to have been reduced to around the £3.5 million mark. Salary concerns surrounding Bernardo have been highlighted by reports in his homeland; however, it is unclear how true these suggestions are amid his ongoing situation. Benfica also look to be on the verge of signing midfielder Leandro Barreiro from Mainz on a free transfer, potentially pushing the Almada-born man further dow…