Tottenham's Lewis Holtby has suffered a suspected broken collarbone.
Lewis Holtby has suffered a suspected broken collarbone, report German magazine Kicker.
Holtby suffered the injury during a training camp in Dubai, and the magazine claims he was taken to hospital in a wheelchair.
Hamburg head coach Joe Zinnbauer is quoted: "The injury outshines almost everything. Lewis was in a bad way."
Holtby could miss up to three months of action if the original diagnosis is accurate. He went down injured in the 78th minute of a friendly match with Eintracht Frankfurt, colliding with opponent Martin Lanig.
The 24-year-old was sent out on loan by Spurs in the summer transfer window until the end of the season.
The Mail claimed last October a deal had been reached for him to sign permanently, but Spurs never commented on the rumours or announced such a sale, and he remains listed as a loan player on the official club website.
The news is a bitter blow for Hamburg, who sit in 14th place in the Bundesliga, only two points off the bottom clubs.
It is unclear at this stage what the injury could mean for Holtby's future, or even if he will return to Tottenham for treatment.
Days earlier, Holtby had given an interview with Goal Germany declaring his intent to improve his performances over the second half of the season, admitting he was not satisfied so far.