Dani Olmo is a top player with a bright future who can play at the highest level of European football, according to Manchester City manager Pep Guardiola.
Dinamo Zagreb forward Olmo has been linked with a move to City, while Roma and Milan have also been credited with an interest in his services.
Barcelona are thought to be keen on bringing Olmo back to the club, having signed him to their famed academy as a nine-year-old in 2007.
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His time in the Barca youth set-up overlapped with Guardiola's glittering spell in charge of the Blaugrana, Spain international Olmo leaving for Dinamo in 2014.