The USA international is tipped to leave relegated Schalke this summer.
USA reporter Grant Wahl has stated he expects Hoppe to depart after the Gold Cup, where he has impressed.
The young striker has a deal with S04 to 2023.
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!