Liverpool manager Jurgen Klopp says club great Steven Gerrard needed little convincing when asked to join his squad for next month's end-of-season friendly against Sydney FC.

Gerrard is one of a quartet of former players included in Klopp's tour party for the clash with the Sky Blues at Sydney's Olympic stadium on May 24.

The 36-year-old Gerrard became a youth academy coach at Liverpool in January, after ending his playing career with LA Galaxy in Major League Soccer.

Klopp was heartened by Gerrard's enthusiasm to make the trip to Australia, which will contribute to Liverpool's 125th anniversary celebrations.

"The best thing you could have seen was the eyes of Stevie when I told him, or asked him, actually, what he would think about it," Klopp told Liverpool's website.

"'You want me to play?', I thought I would have to convince him ... he said 'Yes, of course'."

Gerrard enjoyed a highly decorated career at Liverpool, captaining the club to its 2004/05 Champions League victory, while also helping to claim the UEFA Cup and two FA Cups during his time in red.

He made over 500 appearances for Liverpool between 1998 and 2005 and earned 114 caps for England, who he captained at the 2010 and 2014 World Cups.

"It will be an honour to pull on the Red shirt and play football with an outstanding squad and former team-mates," Gerrard said in a statement.

"This is what Liverpool is all about, celebrating the family that has been around for 125 years."

Klopp has also 'called up' retired Liverpool defenders Jamie Carragher and Daniel Agger, as well as ex-Anfield winger Steve McManaman.

"They are still young enough and look good enough in the kit that we can show them," Klopp said.

"So, use the opportunity that we still have. It's good for the players and I think the supporters will enjoy it."

Reuters/ABC