Manchester City defeated Salford City in the FA Cup, while Burnley suffered a surprising defeat to Mansfield Town. West Ham United and Norwich City also secured victories in their respective matches.
City, Liverpool all cruise in respective FA Cup matches played on Saturday.
Norwich City winger Borja Sainz has been suspended for six matches and fined 12,000 pounds ($14,749) for spitting at an opponent.
Norwich had their game at West Ham United postponed due to COVID-19 cases, injuries and illness reported among players and staff, while Leicester had matches against Tottenham Hotspur and Everton postponed due to coronavirus cases among their players.
United fizzled out in the second half and Norwich looked more likely to break the deadlock as David De Gea kept out a Teemu Pukki shot from the edge of the area before Ronaldo struck, sending Krul the wrong way.
IMAGES from EPL matches played on Sunday.
Norwich City's Jamal Lewis threw his relegation-threatened side a lifeline with a a 70th-minute goal to beat visiting Premier League high-flyers Leicester City 1-0 and secure a vital three points on Friday. Norwich remain bottom of the table but are now only four points from the safety zone -- three adrift of Watford and West Ham United with Aston Villa another point ahead.
European champions Liverpool made an emphatic start to the new Premier League season by scoring three times in the opening half an hour as they taught promoted Norwich City a harsh lesson with a 4-1 thrashing at Anfield on Friday.
Watford enjoyed their first Premier League win of the season as goals from Gerard Deulofeu and substitute Andre Gray gave them a 2-0 win at Norwich City in a bottom-of-the-table game on Friday.
Norwich opened the floodgates in one of three earlier kickoffs, with their new U.S. international signing Josh Sargent and Greek winger Christos Tzolis each scoring twice on their full debuts at Carrow Road.
The win extends United's unbeaten run in all competitions to 14 matches and secures a 30th appearance in the last four of the FA Cup for the club.
Manchester City to beat second-tier Sheffield Wednesday 1-0 and reach the FA Cup quarter-finals but Jose Mourinho's problems piled up as his Tottenham Hotspur side were bundled out in a penalty shootout by Norwich City.
Liverpool's Sadio Mane marked his return from injury with a late goal to break Norwich City's resistance and secure a 1-0 win on Saturday to extend his side's Premier League lead to 25 points.
Norwich City and Newcastle United have been charged by the Football Association following a scuffle between Bradley Johnson and Loic Remy during a Premier League match last week.
A summary of Saturday's action in the FA Cup third round.
Images from the English Premier League matches on Saturday.
IMAGES from football matches played in the Serie A and the English Premier League on Saturday.
Tottenham Hotspur were held to a 0-0 draw by English Premier League newcomers Norwich City.
Police and NorwichCity are investigating an alleged racist message posted about the club's manager Chris Hughton on an unofficial Facebook page.
Newcastle United's Dutchman Giorginio Wijnaldum scored four times as they won their first Premier League match this season at the ninth attempt by thrashing Norwich City 6-2 to climb off the bottom of the table on Sunday.
Liverpool cruised into the fifth round of the FA Cup with a 5-2 rout of Championship side Norwich City on Sunday, to kick off Juergen Klopp's long goodbye at Anfield.
Juan Mata scored on his debut for a still-stuttering Chelsea in a 3-1 home win over promoted Norwich City as the Londoners joined Wolverhampton Wanderers at the top of the Premier League on Saturday.
IMAGES from the English Premier League matches played on Wednesday.
Chelsea's slim hopes of winning the Premier League all but evaporated in the Stamford Bridge sunshine on Sunday as Norwich City ground out a 0-0 draw that left them hanging on to top- flight status by their fingernails.
Leeds reach Championship play-offs final with 4-0 win over Norwich
Norwich City fought back to draw 1-1 with Everton after Romelu Lukaku scored on Saturday for the sixth successive Premier League match to give the visitors an early lead.
Carlos Tevez fired a hat-trick and fellow Argentine Sergio Aguero scored twice as Manchester City thrashed Norwich City 6-1 to move within two points of Premier League leaders Manchester United on Saturday.
Norwich City will return to the Premier League next season for the first time since 2005 after clinching promotion Monday.
Sunderland's run without a Premier League win stretched to seven matches when they failed to beat 10-man NorwichCity in a 1-1 draw at the Stadium of Light on Sunday.
Luton Town made a mockery of the 85 places between themselves and Norwich City to become the first minor league club to beat a top-flight side in the FA Cup for 24 years on Saturday.
Christian Benteke headed home from close range as Liverpool grabbed a stoppage-time leveller to snatch a point against Chelsea in a 1-1 draw on Wednesday after Eden Hazard's dazzling opener for the visitors.
Few footballers can have had such a rewarding weekend as Norwich City captain Russell Martin, who rushed home from Liverpool to attend the birth of his son before flying back in time to score the equaliser in a 1-1 draw at Anfield.
Arsenal missed the chance to heighten the congestion at the top of the Premier League and suffered fresh injury blows when a frustrating 1-1 draw at Norwich City failed to take them alongside leaders Manchester City and Leicester City on Sunday.
IMAGES from Saturday's English Premier League matches.
Arsenal wasted the chance to go four points clear of Tottenham Hotspur and Newcastle United when, despite a double from Robin van Persie, they were held to a thrilling 3-3 home draw by Norwich City in the Premier League on Saturday.
Arsenal's record signing Mesut Ozil should be fit to face Norwich City when Arsene Wenger's table-topping team returns to Premier League action on Saturday following the international break.
ManchesterCity's hopes of regaining the Premier League title suffered a potentially grievous blow on Saturday as they were held to a goalless draw by struggling NorwichCity at Carrow Road.
Chelsea wasted the chance to get back into the Premier League title race after Norwich defended resolutely to earn a 0-0 draw at Carrow Road on Saturday, their frustrations increased by an injury to midfielder Frank Lampard.
Out-of-sorts Tottenham Hotspur's Champions League qualifying hopes received another jolt when they lost 2-1 at home to Norwich City on Monday while on-song Newcastle United boosted their chances with a 2-0 win over Bolton Wanderers.