Summary:
Sunderland have completed the signing of a new defender from the club for the second time in the summer.

Full article:
Sunderland have re-signed Argentinian defender Santiago Vergini on a season-long loan deal. The 26-year-old spent the second half of last season on loan at the Stadium of Light. And the once-capped centre-back said: 'Firstly I'm very thankful to the club for giving me this opportunity. I am very happy to be here once again. New loan deal: Defender Santiago Vergini will remain at the Stadium of Light for another year . 'I'm also very happy to see so many recognisable faces. 'The challenge for me is to become part of this team, and offer all I can so we have a good season. 'The feeling that I've had here at this club has been very good. It’s a big club.' Vergini is Gus Poyet's sixth signing of the summer following the arrival of Jack Rodwell and Costel Pantilimon from champions Manchester City, Jordi Gomez, Billy Jones and Patrick van Aanholt. Busy summer: Vergini is manager Gus Poyet's sixth signing of the summer so far . CLICK HERE to start picking your Fantasy Football team NOW! There’s £60,000 in prizes including £1,000 up for grabs EVERY WEEK… .