Liverpool has completed the transfer of former West-ham goalkeeper Adrian to replace Mignolet, who made his transfer switch to Club Bruges in Belgium.
Adrian, 32, whose on a free transfer after he was released by West-ham during the summer transfer window.
The Spaniard signed a two-year deal with Liverpool with an option of third-year continuation.
Adrian made 150 appearances for the Hammers, having joined them in 2013 from Real Betis
Adrian said he wants to win trophies, that he came to challenge for all the titles, he will be a back-up for Liverpool first-choice goalkeeper Alisson Becker, after the departure of Belgium goalkeeper Mignolet who joined Club Brugge for a fee of £6.4m.