The left-back had been expected to make the move to Anfield for some time and after signing Swiss right-back Philipp Degen earlier on Friday, Rafael Benitez has made his second acquisition of the day.
Like Degen, Dossena has signed a four-year deal.
Copyright (c) PA Sport 2008, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms