Southampton defender Virgil van Dijk has been left out of the squad travelling to France for a training camp.
Liverpool have completed the signing of Scotland left-back Andy Robertson from Hull.
Robertson spent three seasons with the Tigers following his arrival from Dundee United, and joins the Reds on a long-term contract.
The fee is undisclosed but is thought to be worth around £8million to the Sky Bet Championship club.
Robertson, who will wear the number 26 at Anfield, has won 15 caps for his country and scored his only international goal in a 3-1 friendly defeat by Roy Hodgson's England in 2014.
He joins Mohamed Salah and Dominic Solanke as summer additions to Jurgen Klopp's squad.
eft-back has long been an area of concern for the Reds and former England midfielder James Milner spent much of the season in the position after Alberto Moreno failed to convince.
Burnley made the early running for Robertson after Hull's relegation from the Premier League but no deal was forthcoming, opening the door for Klopp;
The 23-year-old told Liverpoolfc.com: "It feels a wee bit surreal just now. Obviously I'm delighted. There's been a lot of speculation over the last couple of weeks but I'm glad that the deal's finally been done and I'm a Liverpool player.
"My family are proud of what I've achieved so far and they're all over the moon with the move, as well as me of course. We're all just looking forward to being part of the Liverpool family now.
"There's not many, if any, more special clubs than Liverpool. When you grow up as a kid you dream of playing with big clubs such as Liverpool and to make that a reality is a dream come true for me.
"I just want to prove to people that I can do it at this level, and hopefully I manage to do that this season and go on to do good things for this club."
Announcing his departure, Hull said: "The 23-year-old full-back left the Tigers' Portuguese training camp earlier this week to undergo a medical and finalise terms with the Merseyside club.
"Robertson arrived at the KCOM Stadium from Dundee United in July 2014 and went on to make 116 appearances for the club in all competitions, scoring five goals.
"Everybody at the club would like to thank Andy for his efforts in a black and amber shirt, and wish him well for the future."
Midfielder Kevin Stewart has moved in the opposite direction on a three-year deal.
The former Tottenham player made 20 appearances for Liverpool, including 11 in the Premier League, and has played for Crewe, Cheltenham, Burton and Swindon on loan.
Having flown to Portugal for his medical, Stewart could make his first Hull appearance in Saturday's friendly against Benfica. Stewart told www.hullcitytigers.com: "I'm delighted to sign for the club, I can't wait to get started and get my boots on.
"It's an exciting move for me and I'm looking forward to the challenge ahead."
Alex Oxlade-Chamberlain has reportedly rejected a ‘take-it-or-leave-it’ offer from Arsenal, amid interest from Jurgen Klopp’s Liverpool.
The 23-year-old has long been linked with a move to Anfield, though the club were snubbed last week when approaching Arsenal regarding the England international.
The Sunday Times reports that Oxlade-Chamberlain is prepared to see out the final year of his contract and move on a free next summer.
Arsenal have offered the midfielder a sizeable increase in salary, but Oxlade-Chamberlain is focused more on minutes than money.
Having struggled for game-time in recent years, Oxlade-Chamberlian could venture up north to team up with Klopp, who is said to be a big fan of the Arsenal player.
Klopp’s 16-month stint at Liverpool so far has seen helped players such as Adam Lallana flourish, and Oxlade-Chamberlain believes the German will aid his development also.
The only fear around this mooted move is how much game-time Oxlade-Chamberlain would get at Liverpool. When all players are fit, it’s difficult to see him in the starting XI, but given the volume of games they will be playing next season and perhaps beyond – with Champions League football back at Anfield – it’s going to have to be a squad effort from Klopp’s men.
Oxlade-Chamberlain offers Klopp options, but it isn’t an overwhelming signing. The potential is there and the Liverpool boss could well be the man to bring it back out, as the midfielder has appeared to plateau in recent years.
A summer move is Oxlade-Chamberlain’s best bet, unless he has the guarantee of more playing time at the Emirates.
Liverpool are interested in signing Kylian Mbappe but they are not convinced that he wants to move to England.
The Reds are monitoring the situation and have registered their interest in the player.
Real Madrid are leading the race to sign Mbappe for what is almost certain to be a world-record transfer fee.
Other clubs, including Arsenal and PSG are also interested.
Monaco want to keep him but there are reports in the French press he has turned down a 900 per cent pay rise. Monaco are willing to up his wages from £16,000 a week to £140,000 a week.
The 18-year-old forward scored 26 goals and added eight assists last season as Monaco were crowned Ligue 1 champions and advanced to the last four of the Champions League.
Mbappe became the second youngest player to play for France [behind only Maryan Wisnieski] when he made his debut against Luxembourg in March, aged 18 years, three months and five days old.
Liverpool have completed the signing of Mohamed Salah from AS Roma for a fee believed to be around £34m.
The news comes after weeks of speculation, with Liverpool’s approaches for the Egypt international initially being rebuffed by Roma.
But Salah – who recorded 15 goals and 11 assists in Serie A last season – was keen on the move, and on Thursday completed his medical to return to the Premier League.
“I will give 100 per cent and give everything for the club," Salah told the official Liverpool website. "I really want to win something for this club.
“We have a great team and very good players. I was watching the games last year and everyone was giving 100 per cent to win something.
“Everyone can see the coach gives everything. I hope to see that together we can give everything to win something for the club, for the supporters and for us.”
Liverpool manager Jurgen Klopp struggled to find a solution when his side were without Sadio Mane last season, but the German coach believes that Salah could be the man to solve that issue for the title hopefuls.
“His pace is incredible, he gives us more attacking threat and we are already strong in this area," Klopp said. "I like that we will make it even more competitive.
“He knows the Premier League, he has pedigree in the Champions League and he is one of the most important players for his country. His record in Italy has been outstanding and he possesses qualities that will enhance our team and squad. I have followed him since he emerged at Basel and he has matured into a really good player.
“He is an ambitious player who wants to win and win at the highest level; he knows he can fulfil those ambitions with Liverpool. I welcome him and his family into our Liverpool family.”
This is Salah's second spell in the Premier League. The 25-year-old joined Chelsea in an £11m move from Basel three years ago, but struggled for game time at Stamford Bridge and was shipped out on loan to first Fiorentina and then Roma.
Salah completed a permanent move to Roma for £13m last summer.
Goal takes a look at the biggest transfer stories from the Premier League, La Liga, Serie A and beyond ahead of the opening of the summer window
Jurgen Klopp has revealed he wants Liverpool legend Steven Gerrard to be the next Reds boss after he leaves the club.
The Reds have long been an admirer of the Egypt international while they continue to hold an interest in Arsenal star Alex Oxlade-Chamberlain
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Liverpool midfielder Lucas Leiva is back in the first-team fold and in fine form, in what is probably his last season at the club.