His mother Elisabeth had passed away last month.
Erik ten Hag's side will face Championship (second-tier) outfit Coventry City in the semis after they upset Wolverhampton Wanderers 3-2 on Saturday.
IMAGES from the English Premier League matches played on Sunday.
Captain Jose Maria Gimenez said the players were trying to defend their families.
Goalkeeper Alisson Becker scored a stunning header in the fifth minute of stoppage-time as Liverpool snatched a 2-1 victory at the death against relegated West Bromwich Albion at The Hawthorns on Sunday.
Liverpool's defence of a Premier League crown won at a canter last season has become a nightmare
first English title for 30 years had been sealed almost a month ago with seven games remaining, following a three-month stoppage because of the COVID-19 pandemic.
Chelsea moved into the Premier League's top four as Mason Mount's superb first-half goal earned them a 1-0 win at champions Liverpool who suffered a club-record fifth straight home league defeat on Thursday.
A round-up of Sunday's action in the Premier League.
Chelsea kept alive their remote Premier League title chances with a 2-0 win over London rivals Tottenham Hotspur on Sunday, set on their way by an exquisite strike from Hakim Ziyech which was quickly followed up by a Thiago Silva header.
Ronaldo back for Man Utd but injured Shaw faces weeks out
Liverpool raised the bar so high and enjoyed such a huge winning margin in claiming the English Premier League title last season it would be churlish to doubt their credentials for a repeat showing.
Champions Liverpool are five points clear at the top of the Premier League after a 7-0 away hammering of Crystal Palace while Arsenal's troubles continued with a 2-1 defeat at second-placed Everton on Saturday.
Liverpool will resume their quest for a first top-flight title in 30 years against Everton on June 21 but the venue for the behind-closed-doors fixture was not confirmed when the league released its revised fixtures for the season's restart.
Manchester City came from behind twice to earn a 2-2 draw with Liverpool in a breathless and pulsating Premier League encounter, at Anfield, on Sunday. All four goals came in the second half.
This was not quite Liverpool back to their best but it was an important statement of intent for Klopp's side that they will not be giving up their title without a fight.
Images from the English Premier League matches played on Saturday.
A round-up of Tuesday's action in the UEFA Champions League.
IMAGES from the Premier League matches played on Saturday.
Liverpool fans went into a tizzy and the COVID-19 pandemic no deterrent, they thronged the streets in numbers, celebrating with flares, placards. Here's a look at how fans are celebrating...
Manchester City have now won only once in 11 games in all competitions.
Goalkeeper Alisson Becker scored a stunning header in the fifth minute of stoppage-time as Liverpool snatched a 2-1 victory at the death against relegated West Bromwich Albion at The Hawthorns on Sunday.
Indian club East Bengal produced an utterly dominant show to crush Bangladesh's Bashundhara Kings 4-0 in their AFC Challenge League match in Thimphu on Tuesday.
The three Premier League and three La Liga clubs in the last eight avoided each other, with Manchester City up against Atletico Madrid and Liverpool to face Portuguese side Benfica.
Images from the English Premier League matches played on Saturday.
Liverpool 'disappointed' after fans celebrate league win outside Anfield
Klopp's side won the Champions League, Super Cup and Club World Cup titles last year, but the German said that their rivals will look to close the gap.
Images from Wednesday's action in the UEFA Champions League.
But the artiste, who often attends Ipswich's home matches, will have an executive box at the Portman Road Stadium, the club added.
Man United get injury boost ahead of Liverpool FA Cup clash
Images from the English Premier League matches played on Saturday
Magnificent Martinez helps Inter defeat Sparta Prague 1-0
Images from Sunday's action in LaLiga and Serie A.
Liverpool overcame another obstacle on the path to what looks an almost certain Premier League title triumph as they chalked up a record-breaking 20th win
Liverpool's English Premier League title winning captain Jordan Henderson was named England's Footballer of the Year on Friday in the annual vote of the Football Writers' Association (FWA).
Liverpool, five-times European champions and last season's Champions League runners-up, eased past the Bavarians and into the quarter-finals with two goals from Sadio Mane and one from Virgil van Dijk after a goalless first leg at Anfield.
A summary of Saturday's matches in the Premier League.
With 27 wins and 82 points under their belt after only one defeat all season, red-hot Liverpool set a record-breaking pace to leave teams behind them in their wake and are six points shy of ending a 30-year wait for the top-flight title.
Images from the Champions League football matches played on Wednesday night.
Leaders Liverpool faltered in the English Premier League title race for the second time in six days as they were held to a 1-1 draw at West Ham United.
