 Complete the following phrase:  In early January 2005, after having been frozen out by Claudio Ranieri, Pellegrino joined former Valencia boss Rafael Benítez at Liverpool on a free transfer, signing a six-month contract this move made him the first Argentine player in the history of the club. He played 12 times for the Reds in the Premier League  13 overall  but his performances were not enough to secure a longer contract, and he was released by the club at the end of the season. He was cup-tied for the Champions League campaign, and did not feature in the victory over A.C. Milan in 