Homeward bound: Klopp returns to his former club on Thursday

Former Schalke and Huddersfield Town manager David Wagner is interested in becoming the new Celtic manager, Football Insider understands.

The 49-year-old, who was Jurgen Klopp’s best man at his wedding as well as his number two during his glittering Borussia Dortmund reign, is set to put his name forward for the vacant post.

A source with knowledge of Wagner’s situation has told Football Insider that the charismatic German is “very keen” to get back into management and is attracted by the Celtic job.

He is likely to be offered the chance to put his case forward as the club step up their search in the coming weeks and months.

Wagner’s CV and skill-set, as well as charismatic personality, would also fit the bill for the Scottish giants.

Celtic are keen on hiring a manager with a proven track record in developing and improving players on the training ground, especially young talent.

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Wagner showed during his Huddersfield and Schalke reigns, as well as while working under Klopp at Dortmund, how he could maximise the resources at his disposal and make players better.

Like Brendan Rodgers, the bespectacled German is a coach first and foremost renowned for creating and implementing a style of play on the training ground.

His first management post was at Huddersfield, where they won Championship promotion in his first full season and then stayed up in the Premier League the following campaign against the odds and on a shoestring budget.

Wagner left after four years in February 2019 before returning to his native Germany at struggling Schalke.

He was sacked last September after 16 months by the cash-strapped Bundesliga outfit.

Lennon resigned before he was sacked on Wednesday morning and his number two John Kennedy has been placed in interim charge.

In other news, a top pundit is alarmed as what Scott Brown has just said –  ‘it worries me the most’ at Celtic.