AC Milan are interested in Schalke defender Ozan Kabak.
Liverpool reportedly opened talks with Schalke for Kabak last week and news of that appears to have forced Milan to act.
Both clubs want to complete a move for the 20-year-old in time for the transfer window reopening on January 1.
Liverpool are keen to bolster their defence with Virgil van Dijk unavailable for a substantial period with a serious ACL injury.
Jurgen Klopp was dealt a further blow on Tuesday night when stand-in centre back Fabinho was forced off with an injury in Liverpool's 2-0 victory over Midtjylland.
