Arsenal star playmaker appears to be keen on impressing his new manager Unai Emery.
The Spanish tactician took over the reigns at the Emirates following Arsene Wenger’s departure over the summer.
Ozil has faced harsh criticism from German pundits following the Germany international’s disastrous World Cup campaign.
The 29-year-old was set to return to pre-season training later this month.
However, Goal reports that Ozil cut his holiday short after his team-mates told him all about Unai Emery’s impressive training sessions.
Per the source, Ozil was so impressed by what he heard from his teammates regarding Emery that he made an early return to north London.
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The star playmaker was handed the number ten shirt number earlier this summer following Jack Wilshere’s departure from the club.
Arsenal take on Manchester City in their opening game of the 2018/19 Premier League season.