Lazio president Claudio Lotito said he never put star midfielder Sergej Milinkovic-Savic up for sale, though he would consider "indecent offers".
Milinkovic-Savic, 23, has been linked with Serie A holders Juventus, Champions League winners Real Madrid and Premier League giants Manchester United.
However, the €100 million-rated (£89m/$116m) Serbia midfielder – who featured at the World Cup in Russia – reported for pre-season training in the Italian capital.
Asked about Milinkovic-Savic, Lotito told RMC Sport: "I never put Milinkovic-Savic up for sale.
"As with everything, indecent offers will be evaluated.