Premier League players and club staff will need to take a lateral flow test every day in order to get into training grounds as part of new measures agreed on Tuesday.
Manchester United are in discussions with the Premier League over whether it is "safe" for Tuesday's game at Brentford to go ahead after a Covid outbreak.
Some of the best tweets from the weekend's football, including a lot of anger from Everton fans, a cheeky dig by John McGinn and football Twitter joining Formula 1 Twitter.
Watch Highlights as Rachel Williams scores the winning goal for Tottenham Hotspur as they come from behind to beat Aston Villa 2-1 in the Women's Super League.
Burnley manager Sean Dyche says his side were "way off the mark", particularly in the first half, during their 0-0 draw with West Ham in a scrappy affair at Turf Moor.
Zlatan Ibrahimovic scores a late equaliser for AC Milan against Udinese, becoming just the third person in the 21st century to score 300 goals across Europe's top five leagues.
Brighton players Aileen Wheelan and Ellie Brazil interview each other about parenting, pranks and emojis ahead of their WSL clash with Manchester United.
Wolves manager Bruno Lage is "proud" of his players for their performance in defeat by Manchester City, but says some of the referee's decisions are "hard to accept".
Olympic gold medallist Helen Richardson-Walsh talks to Football Focus about life after hockey and her new career as a performance psychologist at Tottenham Hotspur.
Aston Villa manager Steven Gerrard says he has the opportunity to go to Liverpool and "compete against a good team and a good manager" before returning to his former club on Saturday.
Pele says he will remain in hospital for "a few days", having had chemotherapy as part of his treatment following an operation to remove a colon tumour.
BBC Radio 5 Live's Alistair Bruce-Ball explains why it could be time for fantasy football managers to move for Manchester United's Cristiano Ronaldo again.
Ralf Rangnick says with more physical development Mason Greenwood can become a valuable Manchester United first-team player, after his goal in a 1-1 draw against Young Boys.
Chelsea boss Emma Hayes says the pitch invader incident involving Sam Kerr during the game with Juventus is a reminder "that we have to put player protection first".
Liverpool boss Jurgen Klopp says their 2-1 victory over AC Milan fills him "with a lot of pride" as they completed a perfect journey into the knockout stage of the Champions League.
Liverpool boss Jurgen Klopp says he will rotate his side for their final Champions League group game at AC Milan, for fear of retribution from his medical team if he does not.
Micah Richards reveals he went from earning £5,000 a week to £50,000 a week as a teenager at Manchester City in the latest episode of Match of the Day Top 10.
Everton manager Rafael Benitez is pleased with his side's "perfect" reaction after Demarai Gray's superb injury-time strike earned Everton a stunning comeback win against Arsenal.
National League leaders Chesterfield will visit last season's runners-up Chelsea in the third round of the FA Cup, while Steven Gerrard's Aston Villa travel to Manchester United.
The German Football Association (DFB) are investigating England midfielder Jude Bellingham's comments about referee Felix Zwayer after Borussia Dortmund's defeat by Bayern Munich.
Fulham fan Rhys Porter, who has cerebral palsy and received online abuse after posting videos of his goalkeeping saves on social media, goes behind the scenes at Football Focus, Match of the Day and BBC Breakfast.
Aston Villa boss Steven Gerrard takes his new team back to former club Liverpool next weekend after winning three of his first four games but his strong start is no surprise to BBC pundit Micah Richards.
Match of the Day 2 pundit Leon Osman praises "fabulous" Fred after the Manchester United midfielder scores the winning goal against Crystal Palace in interim manager Ralf Rangnick's first game in charge.
Watch all 14 goals from the weekend's Scottish Premiership action, as Rangers, Aberdeen, Celtic and Hearts all win and Hibs and Motherwell share the points.
Match of the Day pundit Danny Murphy praises the "phenomenal" Bernardo Silva who scored twice in Manchester City's 3-1 Premier League win over Watford at Vicarage Road that sent the defending champions to the top of the league.
Watch highlights as Xavi's unbeaten start as Barcelona manager was brought to an abrupt end as the Catalan giants were defeated 1-0 at home by Real Betis in La Liga.
Watch highlights as Ayoub Assal and Ollie Palmer both score twice in a tightly-contested match as AFC Wimbledon survive a late scare to reach the third round of the FA Cup by beating League One rivals Cheltenham 4-3 in an entertaining seven-goal thriller.
Watch highlights as Bristol Rovers came from behind to book their place in the FA Cup third round with a narrow home victory against League Two rivals Sutton.
Watch highlights as a Harry Smith brace helped Leyton Orient into the third round of the FA Cup as they eased past League Two rivals Tranmere, winning 4-0 at Brisbane Road.
Watch highlights as Jack Diamond scores a dramatic late winner as League Two Harrogate knock two-time winners Portsmouth out of the FA Cup with a 2-1 win at Fratton Park.
Watch highlights as a second-half brace from Dennis Politic helps Port Vale come from a goal down to beat Burton Albion 2-1 in the FA Cup Second Round.
Watch as Alex Scott, Ashley Williams and Dion Dublin struggle with awful weather conditions during half-time in the FA Cup second round game between Buxton and Morecambe.
As the Women's FA Cup celebrates 50 years, and 100 years on from the Football Association's ban on women's football, greats of the women's game discuss its evolution.
Buxton striker Diego de Girolamo, who juggles playing non-league football with a job as a tiler, speaks to BBC Sport before his team's FA Cup second-round tie with Morecambe.
As he prepares for Buxton's FA Cup second-round tie, winger Lindon Meikle talks about how football has helped him steer clear of trouble after losing two childhood friends in tragic circumstances.
Interim boss Ralf Rangnick says "you cannot possibly turn Manchester United down" and has not ruled out staying on as manager beyond his initial six months in charge.
"Ticketless, drunken and drugged-up thugs" could have caused death at the Euro 2020 final as they attempted to storm Wembley Stadium says an independent review.
German football expert Constantin Eckner looks at what's next for Borussia Dortmund's Erling Haaland and Bayern Munich's Robert Lewandowski - and the Bundesliga.
Watch the biggest moments from the FA Cup first round, including all 11 goals in Halifax Town's win against Maidenhead United, and giant-killings by St Albans and Stockport County.
As Manchester United forward Cristiano Ronaldo becomes the first player to 800 top-level career goals, BBC Sport hears the tributes and asks: How will he do under interim boss Ralf Rangnick?
Michael Carrick describes the 3-2 win over Arsenal as "the perfect night" to end his 15-year association with Manchester United as he is leaving the club following his spell as caretaker manager.
Mikel Arteta is pleased with Arsenal's performance at Old Trafford but accepts the Gunners didn't do enough as they allowed Manchester United to come from behind to claim victory.
Cristiano Ronaldo makes it 801 career goals as Manchester United beat Arsenal in a brilliant see-saw game that has controversy and crucial VAR decisions.
Tottenham Hotspur boss Antonio Conte insists he's not worried about Harry Kane's form despite the England striker's goal drought continuing in Spurs' 2-0 win over Brentford.
Match of the Day pundit Ashley Williams praises Mo Salah's performance against Everton after the Liverpool forward scored twice in a 4-1 win at Goodison Park.
Everton manager Rafael Benitez is confident his side will start winning games soon after a painful 4-1 defeat at Goodison Park in the Merseyside derby.
Aston Villa manager Steven Gerrard praises his team's efforts in their 2-1 defeat by Manchester City as he suffers his first Premier League defeat as a manager.
Leicester manager Brendan Rodgers criticises an "unacceptable" first half from his side in their 2-2 Premier League draw against Southampton at St Mary's.
West Ham boss David Moyes disagrees with the Video Assistant Referee's decision to disallow his side a goal but accepts that their 1-1 draw with Brighton was a "fair result".
Brighton's Graham Potter praises his side's fighting spirit after Neal Maupay's acrobatic overhead kick earned a dramatic late draw against West Ham at London Stadium.
Southampton manager Ralph Hasenhuttl praises his side's "effort" after gaining a "deserved point" in their 2-2 Premier League draw with Leicester at St Mary's.
England end 2021 in a much happier place than they started it and with a platform to build on for next summer's home European Championship - but boss Sarina Wiegman wants tougher tests.
Ahead of the Merseyside derby on Wednesday, BBC Sport looks back at Mohamed Salah's sublime curling finish from an angle for Liverpool against Everton in December 2017.