Aston Villa have signed Brazilian international Philippe Coutinho on a loan deal until the end of the season from Barcelona.
A Liverpudlian who joined the team's youth set-up as a nine-year-old, Gerrard went on to make 504 appearances for the club.
The 46-year-old, whose appointment is subject to a work permit, arrives with Rangers sitting four points clear at the top of the Scottish Premiership.
Premier League strugglers Villa host Brighton in Gerrard's first match on Saturday and his emotional reunion with Liverpool comes at Anfield on December 11.
The Egyptian winger has a strong start to the league season with one goal and two assists at Carrow Road Stadium in Norwich.
Gerrard has called on UEFA to take action after midfielder Glen Kamara complained of being racially abused by a Slavia Prague player.
The Egyptian winger's goal allowed him to overtake the record of the Reds' legend Steven Gerrard, becoming the club's top scorer in the UEFA Champions League.
This goal allowed Salah to share the record of Liverpool’s top scorer in the UEFA Champions League with the club legend, Steven Gerrad.
Liverpool vice-captain, Milner, shared the dressing room with the former Liverpool captain, Gerrard, during the international duty with England but he did not play alongside him at the Reds.
Salah reached his 18th goal with the Reds at the Prestigious European competition and he is just four goals away from being the club’s all-time goal scorer.
Beside Keita, Liverpool strengthened their squad by signing Brazil’s Fabinho from Monaco
“I’m really looking forward to watching Bernardo Silva for Manchester City,” said Gerrard .
Salah scored four goals in six games with Liverpool in pre-season, he is expected to be a great addition to the club in their Premier League campaign.