PSG coach Unai Emery needs backup for Edinson Cavani

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Emery, who took over from Laurent Blanc after the Frenchman failed to challenge for the Champions League, is well aware that living up to the expectation of the club's fans and owners will be a tough task.

However the former Sevilla boss, who guided the Spanish club to a record three consecutive Europa League trophies is undaunted by the task.

"I came here to improve certain details as well as what was already functioning well," he told reporters. "That's very difficult. For me, it's a huge challenge.

"I only know one way: work and the squad's capacity to tolerate it. When you have a strong squad and a player gets sidelined, the squad is capable of making up for his absence by pulling together.

"PSG will grow, and it's a great opportunity for the players - but also for me and my staff - to make our mark in France as well as in Europe."

The 44-year-old also discussed the club's need for a striker to replace Zlatan Ibrahimovic and act as a partner and deputy for Edinson Cavani, who will be shouldering most of the goalscoring responsibilities this coming season.

"Cavani played a lot on the left, and now he should feel that he will be the centre-forward, but he needs other players to join him in attack," he said. "But it's very important to think it through without rushing anything.

"If Cavani gets injured, for example, we'll need a player who is up to the task of playing for PSG. The trick is to get the right player for a big club like Paris."

PSG kick off their Ligue 1 campaign with an away fixture against last season's tenth-placed SC Bastia on 12 August.