The 21-year-old centre-back has made 19 senior appearances for the Reds, and spent the primary half of final season on mortgage at Blackpool’s Sky Guess Championship rivals Swansea.
“I’m so pleased to be right here and I wish to present everybody what I can do that season,” Williams informed the official Blackpool web site.
“I feel I’m aerially dominant due to my top, and I’m a vocal defender. I prefer to have the ball at my toes too, so hopefully I can play the way in which the gaffer needs us to play.
“I spoke to him earlier than signing, and he was actually complimentary and mentioned solely good issues concerning the soccer membership and the journey it’s happening.
“I wish to be part of that, and I’m actually wanting ahead to getting began.”
Head coach Michael Appleton mentioned: “Rhys is a bodily and athletic defender who has come by means of Liverpool’s academy to go on and characterize their first crew, and we’re thrilled that he has signed for Blackpool.
“He’s had a very good quantity of expertise regardless of his younger age, and he’s somebody that’s going so as to add actual high quality to our squad this coming season.”