RB Leipzig captain Willi Orban has been ruled out until 2020 due to a knee injury, the Bundesliga club have confirmed.

The 27-year-old has undergone an arthroscopy to correct a problem and will be sidelined until after the mid-season break.

Orban is set to miss the league matches with Cologne, Paderborn, Hoffenheim, Fortuna Dusseldorf, Borussia Dortmund and Augsburg.

He will also be unavailable for the Champions League games against Benfica and Lyon, with Leipzig top of Group G on nine points from four matches.

The Hungary defender has made 14 appearances in all competitions for Julian Nagelsmann's side this season, scoring once.

Leipzig, who are four points behind leaders Borussia Monchengladbach in the table, begin the second half of the Bundesliga campaign at home to Union Berlin on January 18.