Leipzig's Lukas Klostermann, recently touted by Germany coach Joachim Loew to join the national team, has picked up a knee injury which will sidline him for up to six months, the Bundesliga club said on Tuesday.

The 20-year-old defender suffered torn right knee ligaments in training with the recovery time estimated at six months.

Klostermann is one of the stars of newly-promoted Leipzig, who last weekend beat Borussia Dortmund 1-0 in the Bundesliga.

He has been on Loew's radar as Germany plan the defence of their World Cup title in Russia in 2018.