Sunderland in talks to sign Javier Manquillo from Atletico Madrid - Sky sources

Javier Manquillo
Image: Sunderland are hoping to complete a deal to sign defender Javier Manquillo

Sunderland are in talks to sign defender Javier Manquillo from Atletico Madrid on a season-long loan, according to Sky sources.

Manager David Moyes is keen to bolster his squad before the close of the summer transfer window and said following his side's 2-1 home defeat to Middlesbrough he was confident of making new signings ahead of the August 31 deadline.

Manquillo spent the 2014/15 season on loan at Liverpool, but failed to establish himself as a first-team regular at Anfield under then-manager Brendan Rodgers and made just 10 Premier League appearances.

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The 22-year-old, who had joined Liverpool on a two-year loan deal, was sent back after just a season following his unsuccessful spell on Merseyside.

Manquillo, capped seven times by Spain under-21s, has since enjoyed a productive spell on loan at Marseille, but currently remains surplus to requirements at Atletico.

Sky sources also understand Sunderland are interested in signing Barnsley centre-back Alfie Mawson.

Alfie Mawson
Image: Barnsley Alfie Mawson is also attracting interest from Sunderland

Mawson, who joined Barnsley from Brentford last summer, is keen on a move to the Premier League and is also attracting interest from other clubs.

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The 22-year-old has two years remaining on his contract at Oakwell and has appeared in all four of Barnsley's opening matches to the new Sky Bet Championship season. 

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