Liverpool are seeking a right-back ahead of the summer transfer window.
In their most recent Premier League match, a 3-0 home defeat to Manchester City, the Reds once again started Ronald Araujo in an attempt to contain the visitors’ wingers.
Jeremie Frimpong was introduced later in the game. The consensus at Melwood is that further reinforcement is required in the position.
The Frenchman is regarded for his versatility and his technical and athletic qualities, and he ranks among the leading targets under consideration.
Kalulu has established himself as a regular on the right flank under Juventus manager Luciano Spalletti.
His current contract runs until 2029 and is worth €2.5 million per season.
Juventus are attempting to secure him on a significantly improved deal and view him as a long-term key player.
Any approach from Liverpool is expected to draw attention and could affect the ongoing contract talks in Turin.