Heung-Min Son is concerned Tottenham want to sell him.
Son admits talk over his future at Tottenham is not a good sign.
The South Korea international only joined Spurs last summer from Bayer Leverkusen, but has already been linked with a return to the Bundesliga.
"I haven't heard anything about my transfer," he is quoted as saying by the London Evening Standard. "I don't want to think about things happening outside the stadium. I just want to focus on playing football.
"It's not a good sign that transfer rumours are coming out, but I think it's meaningful that those in Germany acknowledge me."