Liverpool have made a £35m offer for Crystal Palace captain Marc Guehi.
It is being considered by Crystal Palace. However the south London club do not want to sell the defender, who has entered the final year of his contract, until they have a replacement.
Liverpool's Joe Gomez is understood to have become part of discussions between the clubs.
Palace have an interest in Gomez - and it would be a separate deal - but how keen he is on the move to Selhurst Park at this stage is unknown.
Liverpool would not allow Gomez to leave on loan and they are also reluctant to sell a player who offers so much versatility in their backline.
Gomez is also on the lists at AC Milan and Spurs, although Thomas Frank has appeared to cool his interest in signing a new centre-back.
Milan appear to be prioritising Manchester City's Manuel Akanji at the moment - another player of interest to Palace and on Spurs' radar.
Guehi's future could go right to the wire with little over 48 hours until the deadline.
Palace boss Oliver Glasner has pleaded for the player to stay at the club until his contract expires next summer.
Palace could sign more than one new centre-back. Separately from the Guehi situation, they are progressing with a £22.5m deal for Toulouse's 19-year-old Jaydee Canvot.
Jwirtz
0
Sign him already it’s obvious defends is our biggest problem this year make this deal count please
metbdosyz
0
it's a good news for us all Liverpool fans
Vudbeknpsy
0
I would rather have Joe Gomez staying put
hezalmnpsu
0
I like it so much
neoceimu
5
please we want you Guehi at Liverpool like yesterday
Widbiltz
0
what is wrong with Liverpool do something before is too late
nothing is wrong with us. it's not the way you think
Widbiltz
5
If Palace can't sell Guehi for £35m they should forget it then
wiailmpsyz
0
Liverpool really want to sign everybody
yowbcilorz
0
what is wrong with Liverpool do something before is too late
Governor8
0
Don't let Gomez leave pliz
Juniorpope
0
Liverpool is very slow about this guy and I really hate that