RB Leipzig chief Markus Krosche admits they don't wish to consider new contract talks with Marcel Sabitzer until the end of the season.
The Austria international is a target for Tottenham, with his deal to expire in June, 2022.
Krosche told BILD: "His development has been incredible.
"Of course, other clubs have noticed him.
"We want to finish this season first. Both parties will look more closely at the contract in the spring."