Keeper Simon Mignolet proved the shootout hero as Liverpool reached the League Cup final on penalties after a gripping last-four second leg tie at Anfield ended 1-1 on aggregate on Tuesday.
Brazil's Gabriel Jesus made one goal, scored another and was sent off in the second half as they beat Peru 3-1 to win the Copa America for the ninth time.
Liverpool were on the end of the biggest sensation of the English Premier League season when bottom club Swansea City repelled a dramatic comeback from Juergen Klopp's title chasers to earn their first-ever league win at Anfield.
Brazil's stuttering performance stemmed from anxiety at playing their first World Cup game, coach Tite said after their 1-1 draw with Switzerland.
Liverpool beat Porto 4-1 at the Dragao Stadium on Wednesday to advance 6-1 on aggregate with their attacking trio of Mohamed Salah, Sadio Mane and Roberto Firmino all on target once again.
Title-chasing Tottenham Hotspur made hay in the sunshine as Son Heung-min scored twice in a 4-0 thrashing of Watford that closed the gap on Premier League leaders Chelsea to four points in Saturday's early kickoff.
Liverpool survived a late spell of Everton pressure to stretch their record unbeaten run in Merseyside derbies to 17 games
Luton pulled one back on the half-hour mark when Chelsea keeper Kepa Arrizabalaga failed to keep out Jordan Clark's low effort which squeezed between his hand and leg into the net.
If anyone was still wondering why Liverpool spurned Barcelona's bids for Brazilian playmaker Philippe Coutinho, his part in Saturday's 3-2 win over Leicester City provided the answer.
Liverpool scored three goals in 12 dramatic first-half minutes, two of them from Emre Can, on their way to a hugely entertaining 4-2 win over Hoffenheim which took them back to the Champions League group stage after a two-season absence on Wednesday.
Klopp poked more fun at his poor record in one-off matches
The loss was the joint-heaviest defeat by a side already crowned Premier League champions. Arsenal were beaten 4-0 at Liverpool in 1997-98 in the game after they clinched the title.
Their work in the transfer market has also added to the positivity around the club after German manager Juergen Klopp made some major moves that have clearly strengthened his squad.
'I'm very excited to be here. I'm very happy'
An off-key Liverpool were frustrated for a second successive game by struggling opponents as they were held to a 0-0 Premier League draw at Newcastle United on Wednesday.
Brazil have shown all the signs they can rule the world yet again in Russia but they must make their excellent preparations count in their World Cup Group E opener against a resilient Switzerland side on Sunday in Rostov.
Chelsea's 0-0 home draw with second-placed United ensured Thomas Tuchel is still undefeated in nine games since replacing Frank Lampard, but it meant they failed to dislodge fourth-placed West Ham United who became Manchester City's 20th successive victims in all competitions on Saturday.
Wenger dropped Rob Holding for the visit to Stoke, preferring Shkodran Mustafi alongside Nacho Monreal and Sead Kolasinac at the back.
Liverpool wrapped up a deal for Christian Benteke on Wednesday, luring the targetman to Anfield on a long-term contract.
Real Madrid through to next round, win 6-2 on aggregate, Liverpool ousted
Juergen Klopp expressed disappointment at the officiating and his Liverpool side's poor finishing in the second leg of their League Cup semi-final at Anfield on Wednesday after Southampton claimed a late 1-0 victory to book a spot in the final.
A summary of all the Champions League matches played across Europe on Wednesday
Arsenal became the highest-profile casualties of the FA Cup third round as the 14-time winners lost 1-0 at Nottingham Forest, but Liverpool and Tottenham Hotspur avoided early exits after scares against lower-league sides on Sunday.
What makes Juergen Klopp's side such an unstoppable force?
Alexander-Arnold, seeing the Spanish club's defenders still getting organised, feigned to walk away from the corner before racing back to whip the ball to the unmarked Divock Origi, who clipped it past Marc-Andre ter Stegen.
'It was a great atmosphere, I am so pleased for all of the people who have had harder times with us this season'
Manchester City manager Manuel Pellegrini believes tiredness was behind their 3-0 defeat by Liverpool on Wednesday after a third successive Premier League loss put a hefty dent in their faltering title hopes.
Images from the English Premier League matches played on Saturday.
Brazil scored three superbly-taken goals, including a stunning Neymar effort, to beat feisty Austria 3-0 in sweltering conditions on Sunday and put the finishing touches to their impressive World Cup preparation.
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.
Brazil overwhelmed Peru with three goals in a superb first half to set up a crushing 5-0 victory on Saturday and cruise into the Copa America quarter-finals.
Liverpool ripped apart Manchester City with three goals inside the opening 31 minutes as they won their Champions League quarter-final, first leg tie 3-0 on Wednesday.
"It's not much better at the moment. With Daniel's injury we have to take it day by day, and see if he's better," Klopp told a news conference on Friday.
Photos from the English Premier League matches played on Sunday
"We want to get back the trust and confidence in our own skills, in our quality. That needs time," he told reporters.
The two previous meetings at Anfield ended in 4-0 and 3-1 defeats for Arsene Wenger's Arsenal teams, but there is a fresh optimism around the club after a successful transfer window.
Liverpool belatedly kick-started their year and damaged Tottenham Hotspur's slender Premier League title hopes as Sadio Mane struck both goals in a 2-0 victory at Anfield.
Juergen Klopp's side returned to English Premier League action on Friday with a hunger and desire that suggested they have spent the close-season break chomping at the bit to get back on the field.
Tottenham Hotspur reached the semi-finals of the Champions League on away goals after a 4-3 (aggregate 4-4) defeat to Manchester City in a breathtaking quarter-final second leg game on Wednesday.
Chelsea need to improve a lot before they could be considered Premier League title contenders, manager Antonio Conte has said after his resurgent side beat Southampton 2-0 on Sunday.