Newcastle United are closing in on a new left-back signing after a breakthrough in discussions, Football Insider has learned.

The Premier League club are in the market for a senior defender to slot in on the left side of their defence.

A Newcastle source has told Football Insider that the club are making good progress in bringing in a left-back who can challenge for a first-team place next season.

Mystery surrounds the identity of the player amid strong interest in a permanent move for Danny Rose.

The England international, 30, spent the second half of last season on loan at St James’ Park and Steve Bruce has said there would be “conversations” with his club Tottenham about making the deal full-time.

Jose Mourinho has made it publicly and privately clear that Rose is free to find a new club now he has entered the final year of his contract.

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Despite Saudi Arabia’s Public Investment Fund (PIF) pulling out of a deal to buy the Magpies, the club hierarchy are pressing on with summer transfer plans to improve Bruce’s squad.

Rose was brought in during the January window after Paul Dummett and Jetro Willems suffered season-ending injuries.

Willems, 26, has returned to Eintracht Frankfurt as he continues his rehabilitation from a serious knee injury.

Wales international Dummett had been Newcastle’s regular left-back before he broke down with an Achilles tendon injury in January.

In other Newcastle United news, Darren Bent has dropped a £5billion takeover claim as talks reportedly speed up.