Hoffenheim have signed Belgium U-19 goalkeeper Koen Casteels for an undisclosed fee from Belgian club Genk.

The 19-year-old has penned a four-year contract, the Bundesliga outfit announced on their website today.

"We are pleased that we could secure the services of Koen Casteels, a highly talented young goalkeeper," said general manager Ernst Tanner. "He is recognised as one of the top talents in Europe."