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 snatched three points with a wild 1-0 victory over relegation-threatened Nottingham Forest.
South Korea have only one point after drawing their opening game against Uruguay and must beat Portugal to have any chance of progressing.
Four of the five goals in a thrilling Group H match at Education City Stadium came from dangerous crosses
Jarrod Bowen and Mohammed Kudus' second-half goals gave West Ham a 2-0 win over Manchester United in the Premier League's early game on Saturday, as the Hammers briefly moved into the top six.
Llorente's second-half treble, a double from Son Heung-min and a late effort from Kyle Walker-Peters in driving snow at a freezing Wembley Stadium settled an game where tensions had threatened to bubble over before the break.
'It was emotional with the ups and downs. South Korea did very well, pushed and pressed us.'
Tottenham went ahead through Sanchez who scored his first goal for the London club by meeting Eriksen's whipped cross with a diving header in the 33rd minute, although Leicester's players complained he was in an offside position.
There is still a long way to go, with a young Ajax side sure to present a formidable obstacle to a Spurs squad shorn of leading strikers Harry Kane and Son Heung-min.
A summary of all things football.
Tite likes Tottenham striker Richarlison, saying "he only has eyes for the goal" while Gabriel Jesus, who failed to score in five appearances at the 2018 World Cup, appears to now be vying with the likes of Raphinha and Antony for a wide role in the Selecao.
Images from Sunday's English Premier League matches.
Manchester United and Tottenham Hotspur built hefty leads with emphatic away wins in their Europa League last 32 first-leg matches but AC Milan were held to a 2-2 draw at Red Star Belgrade as the competition resumed on Thursday.
IMAGES from the English Premier League matches played on Wednesday
Substitute James Troisi scored halfway through extra time in a pulsating final to give tournament hosts Australia their maiden Asian Cup title with a 2-1 victory over South Korea on Saturday.
Carlos Vela's penalty and a superbly-taken breakaway goal by Javier Hernandez gave Mexico a 2-1 World Cup Group F win over South Korea on Saturday which put them on the brink of a place in the last 16.
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.
The paper added that at least four managers as well as players from several teams could be affected.
North Korea's official KCNA news agency issued a brief report early on Wednesday, saying the qualifier ended in a 0-0 draw after a series of "attacks and counterattacks".
Tottenham Hotspur forward Gareth Bale is relishing the opportunity to work with manager Jose Mourinho who had unsuccessfully tried to sign the Welshman in the past.
Arjen Robben scored two first-half goals to give Bundesliga leaders and titleholders Bayern Munich a predictable 2-0 win at home to bottom club Eintracht Braunschweig on Saturday.
Images from the English Premier League matches played on Sunday night.
French teenager Anthony Martial, having scored as a substitute on his Premier League debut in Manchester United's last game, added two more goals to earn his team a 3-2 win at Southampton on Sunday.
AC Milan entered the Champions League quarterfinals for the first time in eleven years, with a draw in the round of 16 second leg against Tottenham Hotspurs.
A summary of Saturday's matches in the FA Cup.
IMAGES from the Premier League matches played on Saturday
Kingsley Coman came back to haunt Paris St Germain again as he earned Bayern Munich a 1-0 win in their Champions League last-16 first leg in Paris on Tuesday.
Liverpool manager Juergen Klopp has a midfield conundrum and his Tottenham counterpart Mauricio Pochettino must decide whether Harry Kane is ready for action as both bosses face selection dilemmas for Saturday's Champions League final.
Air travel by the top 20 footballers nominated for the 2019 Ballon d'Or was responsible for producing 505 tonnes of carbon dioxide (CO2) emissions this year alone, according to a climate change researcher.
'When April arrives we have to be ready and to fight for the trophy'
Southampton clinched a thrilling comeback draw against Tottenham Hotspurs in their Premier League encounter on Saturday.
IMAGES from the EPL matches played on Sunday.
IMAGES from the EPL matches played on Sunday
Liverpool took a giant step towards their first title since 1990 on Saturday when their 3-0 win at Bournemouth combined with Manchester United's 2-1 victory at Manchester City to leave the champions 14 points adrift of the Premier League leaders.
Images from the English Premier League matches played on Sunday.
IMAGES from EPL matches played on Thursday.
Saudi Arabia's 2-1 victory over Argentina is rated the biggest shock in World Cup history.
IMAGES from the English Premier League matches played on Saturday.
The Qatar World Cup has delivered a rich feast of soccer for the past month
Images from the English Premier League matches played on Sunday