Summary:
Sunderland are looking to add to their squad before the new season begins.

Full article:
By . Simon Jones for the Daily Mail . Sunderland are making a move for Costa Rica World Cup defender Oscar Duarte. The 25-year-old plays for Club Brugge in Belgium and grabbed headlines in Brazil after becoming the first Costa Rican to be sent off in a World Cup following two yellow cards against Greece. Duarte scored against Uruguay in their shock Group D victory and has already scored for Brugge in the league this season. World Cup: Oscar Duarte (top right) impressed for Costa Rica in Brazil . Manager Gus Poyet wants the Nicaragua-born defender to add extra mobility but his goal contribution will also be welcomed. Sunderland remain in talks with Liverpool over a deal for striker Fabio Borini but the transfer may yet be another loan despite the clubs agreeing a £14m fee. While Borini is happy to play for Sunderland this season the Italian forward is reluctant to make the move permanent. Reinforcements: Gus Poyet is still looking to strengthen his Sunderland side before the new season . Reluctant: Although Fabio Borini is happy to move to Sunderland the Italisn forward would prefer a loan .