The 26-year-old has struggled for game time this season, being limited to just 15 appearances due to injury and falling down the pecking order in Liverpool's midfield.
The Reds' third-most expensive signing of all time joined from RB Leipzig in July 2018 but has scored only seven goals in 75 appearances and has failed to be involved in a goal in his last 15 outings.
Despite signing the Guinea international for £54m less than three years ago, Liverpool are thought to value him now at closer to £30m.
During his time so far at Liverpool, Keita has won the Champions League, Premier League, Club World Cup and UEFA Super Cup. body check tags ::