Liverpool travels to Burnley on Saturday hoping to maintain its perfect Premier League record.
The Portuguese has overseen United's worst start to a league campaign in 26 years.
The Spanish giants could use the same approach they adopted when they signed Philippe Coutinho from Liverpool last season.
Chelsea are yet to name Antonio Conte's successor.
Arsenal, meanwhile, could be monitoring as many as seven players at the World Cup.
The Premier League's biggest teams have kicked off the season, and now they know where their weaknesses lie.
Who's going where as the transfer window hits July?
The Guinea midfielder has excelled in the Bundesliga.
Klopp's onerous task is to win the Premier League.
The Real Madrid player has been heavily linked with a move to Old Trafford this summer.
Salah has signed in a £36.9 million deal.
Who's going where in the summer transfer window?
The former Liverpool captain now works in the club academy.
This summer is expected to be a record-breaking transfer window.
A Premier League investigation will begin soon.
Klopp is reportedly targeting an Inter Milan star.
Klopp's team has fallen out of Premier League title contention.
Gray has impressed for Leicester in a difficult season.
Christian Pulisic says Wayne Rooney was his childhood icon.
Leandro Paredes has drawn rave reviews for his performances in Italy.
Christian Benteke never quite fitted into the side at Anfield.
Caner Erkin has been tracked by Premier League teams in the past.
The Barcelona winger, on loan at FC Porto, could bring a new dimension to the Liverpool attack.