Leeds United manager Marcelo Bielsa

The door has opened for Leeds United to swoop for Angus Gunn as Southampton prepare to listen to loan offers, Football Insider understands.

The 24-year-old goalkeeper is a longstanding target of Leeds, who were keen on signing him two years ago ahead of his move from Man City to the Saints.

A Leeds source has told Football Insider the club have continued to keep tabs on Gunn’s situation as they look to strengthen their keeping ranks.

Southampton are keen on Gunn having regular game time and would rather him move to a club where he would be the number one.

He has dropped to third choice at St Mary’s Stadium behind Alex McCarthy and Fraser Forster, who had an outstanding loan season at Celtic last term.

United signed Illan Meslier from Lorient earlier this summer when they converted his 2019-20 loan into a £5million permanent deal.

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He has taken over as the new number one and has started both their Premier League matches, a 4-3 win over Fulham and a 4-3 defeat to Liverpool.

Former Real Madrid man Kiko Casilla has dropped to second choice after losing his place in the wake of the eight-match racism ban he sustained just before the lockdown.

He captained a second-sting Leeds XI in their EFL Cup defeat to Hull City last week but that attracted strong criticism from the club’s own supporters.

Casilla has held talks over a move back to his native Spain but a major stumbling block to a deal is his £40,000-a-week United salary.

Gunn has made 30 appearances in all competitions for Southampton, keeping eight clean sheets in the process.

He has not played a single Premier League game since their devastating 9-0 defeat at the hands of Leicester last October.

In other news, Brighton have responded to an increased Leeds United defender bid.