Promoted Norwich City risk losing manager Daniel Farke this summer.
The German has just guided the Canaries back into the Premier League for next season.
And Express says Farke's work has attracted interest from his native Germany, where VfL Wolfsburg are keen.
Farke was also linked with Eintracht Frankfurt earlier this season.
The Canaries manager has a deal to 2022, having moved to Carrow Road in 2017.
