Bayern Munich president Karl-Heinz Rummenigge is coy over talk of a deal for Atletico Madrid defender Lucas Hernandez.
Lucas has been linked with an €85m move to Germany next month.
And Rummenigge says: "I cannot deny or confirm anything.
"We are in a phase where we are studying the January market. If we have any real interest in the player, we will inform Atletico first, because we have excellent relations with this club.
"(Mats) Hummels will play with us again in the second part of the season, we talked about it with (Niko) Kovac."