DOHA: Paris Saint-German forward Neymar arrived in Doha on Friday for an operation on the ankle injury that has ended his season, Qatar’s official news agency said.

The 31-year-old Brazilian is facing up to four months out after suffering the injury last month playing Lille – the latest in a series of fitness problems.

Qatar-owned earlier PSG said Neymar, who became the world’s most expensive player in 2017, would undergo a ligament repair operation in Doha.

“Neymar of France’s PSG arrives in Doha for surgery at the Aspetar hospital,” the Qatar News Agency said.

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Neymar has promised to “come back stronger” after his surgery.

His fitness has been a regular concern for PSG since signing for a world-record fee of 222 million euros ($264m), missing more than 100 games due to injury or suspension.

He has played only 49 percent of PSG’s Ligue 1 matches – 112 out of 228 – since his arrival.