The 22-year-old made just 14 appearances in total for the Reds either side of loan spells with Championship outfits Blackburn Rovers and Hull City.
Due to the currently calibre of midfield options in Arne Slot’s side, Morton’s first-team prospects would have been further diminished moving forward.
In addition to first-choice figures, the Wirral native would find himself behind a returning Stefan Bajcetic as well as James McConnell and Luca Stephenson.
Fellow academy graduate Trey Nyoni has also pushed Morton further down the pecking order as a potential full-time member of Liverpool’s senior squad.
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