Arsenal are watching Napoli midfielder Allan.

Calciomercato.com says the midfielder has been at the heart of the Naples side's Serie A title challenge this season.

And the Brazilian, who has scored four goals for is club this campaign, is expected to be a transfer target for Europe's biggest clubs this summer.

Given their domestic struggles, Arsenal are unlikely to be at the head of the queue, but that has not stopped Arsenal manager Arsene Wenger from registering his interest.

And Napoli are confident they can keep hold of the 27-year-old given that he has a contract until 2023.