Liverpool have completed the signing of Brazilian left-back Fabio Aurelio on a free transfer from Valencia.
Aurelio won a Spanish title under Benitez
The 26-year-old, who has penned a four-year contract, won a Spanish title under Benitez at Valencia and is the first Brazilian to play for Liverpool.
The Reds have also signed 20-year-old centre-back Gabriel Paletta from Argentine outfit Atletico Banfield.
And Chilean winger Mark Gonzalez has been granted a work permit - one year after signing for the club.
The Home Office refused his work permit when the Reds signed him in 2005 as Chile's Fifa ranking was too low.
"This is very good news, I'm absolutely delighted to welcome Mark to Liverpool as he is a player the supporters will like to see," said boss Rafael Benitez.
Paletta is exactly the sort of player we need who will suit the Premiership
Liverpool boss Rafael Benitez
"Mark is an exciting left winger who can cross good balls and beat defenders and he is a very good signing for us."
He added: "He has a very good mentality as when I was talking with him he told me, 'I want to play for Liverpool'."
Benitez also insisted Paletta could become one of the Premiership's finest defenders.
"Paletta is very tough and he's exactly the sort of player we need who will suit the Premiership," said Benitez.
"He's more like Jamie Carragher than Sami Hyypia. This is good because we will have a balance in the style of defenders."
Of Aurelio, Benitez said: "His technical ability is fantastic, he has a great left foot and mentality and provides the team with a lot of options."