The Reds reportedly view the 39-year-old as the third-choice goalkeeper behind Simon Mignolet and Loris Karius, who are expected to fight for the number one spot during the 2016-17 campaign.
Manninger considered as 3rd choice goalkeeper? Age 39? I wouldn't mind being 3rd choice..— John Arne Riise (@JARiiseOfficial) 11 July 2016
Manninger is a very experienced goalkeeper who has played for a number of clubs in his career.
The former Austria international was on the books of North London club Arsenal from 1997 until 2002, winning the Premier League and the FA Cup in 1998.
The 39-year-old won Serie A with Italian giants Juventus in 2012 and was recently playing for German club FC Augsburg.