Sheikh Khaled’s representatives says in a statement that they have agreed terms with Mike Ashley and are working hard to complete the transaction as soon as possible.
Klopp says there is nothing else his side can do to win the Premier League outside winning their remaining game.
With victory Liverpool climb back to the summit of the Premier League.
The 33-year-old was told he could lose his sight as a result of the tumour.
This is first Newcastle's first away league win since December ended a run of four games without a victory.
Lejeune missed the start of the campaign after sustaining a right knee injury in pre-season.
Crystal Palace held on for their first away win over Newcastle in nine attempts, a run stretching back to 1998.
Everton are 11th in the Premier League after responding to the Newcastle defeat by beating Chelsea 2-0 at the weekend.
Spurs also struck at the death to beat Fulham and Watford in recent weeks to ensure they have kept pace in the league.
The surprise setbacks for the Manchester clubs left City 4 points behind Liverpool who host Leicester City, and United in 6th place, 2 points behind Arsenal.
The manager has been at loggerheads with club owner Mike Ashley over transfer strategy with three days left before the transfer deadline.
Newcastle will host fellow Premier League club Watford in the 4th round.
Newcastle is currently five points above the bottom three after last weekend's goalless draw with Fulham.
Referee Mike Dean ignored an apparent elbow in the face suffered by Ayoze Perez that could have been a penalty and a possible red card.
Newcastle had a difficult start to the season under Rafa Benitez but three wins in a row moved them up the table before a 3-0 home defeat by West Ham United at the weekend.
Federico Fernandez's fourth-minute shot, which took a huge deflection off Ben Mee, gave Rafael Benitez's Newcastle an early lead before the visitors doubled their lead through Ciaran Clark in the 23rd minute.
Salomón Rondón's two goals helped Newcastle beat Bournemouth 2-1.
On any other weekend, the showdown between revitalised Arsenal and title-chasing Liverpool would have hogged the spotlight which instead shone on Leicester.
Newcastle United coach Rafa Benítez did not see a reason to panic after losing to Manchester United.
Speculation over Mourinho's position mounted before kick-off following United's poor start to the season.
Juan Mata pulled a goal back in the 70th minute with a fine free-kick, Anthony Martial equalised six minutes later and Alexis Sanchez scored in the 90th minute to end United's run of four games without a win.
Newcastle have now lost their opening four home games of the season for the first time.
Crystal Palace have now won only one of their last 16 matches against Newcastle in all competitions.
Pierre-Emerick Aubameyang and Alexandre Lacazette will be vital to Arsenal's chances of beating Newcastle.
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