RB Leipzig midfielder Xaver Schlager is a potential target for Celtic as his contract is due to expire this summer. The 28-year-old has made 13 appearances and scored 2 goals in the Bundesliga for the German club this season, and has also been linked with Roma and Juventus. In January 2026, reports indicated RB Leipzig would ask for a fee of €4-5 million for a winter transfer, while Transfermarkt estimates his current market value at €10 million.