CALUM Chambers tomorrow comes up against the man who helped mould him into a current England international.

Chambers made his name at Saints last season under manager Mauricio Pochettino’s tutalage at St Mary's.

The 19-year-old right back turned centre half was one of a number of players to depart Saints in the wake of Pochettino's appointment at Spurs, and played for Arsenal against Saints in the League Cup earlier this week.

But his former manager is backing the teenager - who made his senior England debut earlier this month against Norway at Wembley - to be a success at his new club.

“Calum is a great personality and has a great talent,” he said ahead of tomorrow’s north London derby at The Emirates.

“He deserves his moment now because one year ago at the start of pre-season at Southampton he was playing in the development squad.

“And step by step he deserved to play and win his place in the first team.

“It is not only because he has talent he also has a great personality and character.”

Pochettino, whose side host Saints next weekend, is dreaming of replicating Arsene Wenger's success at Arsenal at White Hart Lane.

Wenger, 64, has been in charge of Arsenal for the past 18 seasons and is comfortably the longest-serving boss in the Barclays Premier League.

Newcastle's Alan Pardew is next on the list on four years, with Sam Allardyce third following three full seasons at Upton Park.

Pochettino has only just taken the reins at Spurs and will manage his first derby tomorrow.

The Argentinian came up against Wenger during his time in charge at Saints and holds the man who has delivered three league titles for the Gunners in high regard.

“We have a good relationship,” he said.

“We played against Arsenal (for Southampton) I have full respect for him, he is a great manager. An 18-year stay in charge is not easy.

“It's a big gap with me in Tottenham.”