Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Olivier Giroud in action with Luton Town's Sonny Bradley REUTERS/David Klein

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Luton Town's Kieran Dewsbury-Hall in action with Chelsea's Olivier Giroud Action Images via Reuters/John Sibley

Soccer Football - FA Cup - Fourth Round - Brentford v Leicester City - Brentford Community Stadium, London, Britain - January 24, 2021 Brentford manager Thomas Frank before the match Action Images via Reuters/Andrew Couldridge

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Billy Gilmour in action with Kurt Zouma Action Images via Reuters/John Sibley

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Tammy Abraham celebrates scoring their third goal and completing his hat-trick with teammates Action Images via Reuters/John Sibley

People attach to a car a placard reading: "Out Bolsonaro " as they take part in a motorcade to protest against Brazil's President Jair Bolsonaro and his handling of the coronavirus disease (COVID-19) outbreak in Sao Paulo, Brazil January 24, 2021. REUTERS/Amanda Perobelli

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Tammy Abraham celebrates scoring their third goal and completing his hat-trick with teammates Action Images via Reuters/John Sibley

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Luton Town's Tom Lockyer in action with Simon Sluga as Chelsea's Mason Mount looks on Action Images via Reuters/John Sibley

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Billy Gilmour in action Action Images via Reuters/John Sibley

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Tammy Abraham celebrates scoring their third goal and completing his hat-trick with teammates REUTERS/David Klein

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Tammy Abraham celebrates scoring their third goal and completing his hat-trick with teammates Action Images via Reuters/John Sibley

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Tammy Abraham celebrates scoring their third goal and completing his hat-trick with teammates Action Images via Reuters/John Sibley

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Tammy Abraham scores their third goal and completes his hat-trick REUTERS/David Klein

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Tammy Abraham celebrates scoring their third goal and completing his hat-trick Action Images via Reuters/John Sibley

Snow covers Victoria Memorial outside Buckingham Palace in London, Britain, January 24, 2021. REUTERS/Hannah McKay

Portuguese Prime minister Antonio Costa votes at a polling station for Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Tammy Abraham scores their third goal and completes his hat-trick REUTERS/David Klein

Portuguese Prime minister Antonio Costa votes at a polling station for Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Soccer Football - FA Cup - Fourth Round - Brentford v Leicester City - Brentford Community Stadium, London, Britain - January 24, 2021 Leicester City manager Brendan Rodgers before the match Action Images via Reuters/Andrew Couldridge

Dogs are seen during snowfall in Wandsworth Common, in London Britain, January 24, 2021. REUTERS/Henry Nicholls

Portuguese Prime minister Antonio Costa casts his vote during Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Soccer Football - FA Cup - Fourth Round - Brentford v Leicester City - Brentford Community Stadium, London, Britain - January 24, 2021 Groundstaff clear snow from the pitch before the match Action Images via Reuters/Andrew Couldridge

Soccer Football - FA Cup - Fourth Round - Brentford v Leicester City - Brentford Community Stadium, London, Britain - January 24, 2021 Leicester City manager Brendan Rodgers before the match Action Images via Reuters/Andrew Couldridge

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Luton Town's Kal Naismith in action with Chelsea's Emerson REUTERS/John Sibley

Soccer Football - FA Cup - Fourth Round - Brentford v Leicester City - Brentford Community Stadium, London, Britain - January 24, 2021 A member of groundstaff clears snow from the pitch before the match Action Images via Reuters/Andrew Couldridge

Portuguese Prime minister Antonio Costa casts his vote during Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Soccer Football - FA Cup - Fourth Round - Brentford v Leicester City - Brentford Community Stadium, London, Britain - January 24, 2021 A member of groundstaff clears snow from the pitch before the match Action Images via Reuters/Andrew Couldridge

People wait in line to vote in presidential election, amid the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, January 24, 2021. REUTERS/Pedro Nunes

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Chelsea's Reece James and Kepa Arrizabalaga in action with Luton Town's Tom Lockyer REUTERS/David Klein

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Luton Town's Luke Berry in action with Chelsea's Emerson REUTERS/David Klein

Portuguese Prime minister Antonio Costa casts his vote during Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Portuguese Prime minister Antonio Costa casts his vote during Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Portuguese Prime minister Antonio Costa casts his vote during Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Portugal's Prime Minister Antonio Costa wearing a protective mask waits in line to cast his ballot for Portugal's presidential election, amid the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, January 24, 2021. REUTERS/Pedro Nunes

People walk as snow falls in Wandsworth Common, in London Britain, January 24, 2021. REUTERS/Henry Nicholls

Soccer Football - Championship - Preston North End v Reading - Deepdale, Preston, Britain - January 24, 2021 Reading's Omar Richards in action with Preston Preston North End's Alan Browne Action Images/Jason Cairnduff

Soccer Football - Championship - Preston North End v Reading - Deepdale, Preston, Britain - January 24, 2021 Reading's Lucas Joao in action with Preston North End's Ben Davies Action Images/Jason Cairnduff

A man wearing a billboard reacts in front of a police officer during a protest against restrictions put in place to curb the spread of the coronavirus disease (COVID-19), in Amsterdam, Netherlands January 24, 2021. REUTERS/Eva Plevier

Portugal's Prime Minister Antonio Costa wearing a protective mask waits in line to cast his ballot for Portugal's presidential election, amid the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, January 24, 2021. REUTERS/Pedro Nunes

Soccer Football - FA Cup - Fourth Round - Brentford v Leicester City - Brentford Community Stadium, London, Britain - January 24, 2021 General view inside the stadium before the match Action Images via Reuters/Andrew Couldridge

A Libyan amateur performs drifting using an old car as a form of entertainment, at parking lot in the coastal city of Misrata, Libya January 22, 2021. Picture taken January 22, 2021. REUTERS/Ayman Al-Sahili

A Libyan amateur performs drifting using an old car as a form of entertainment, at parking lot in the coastal city of Misrata, Libya January 22, 2021. Picture taken January 22, 2021. REUTERS/Ayman Al-Sahili

A Libyan amateur performs drifting using an old car as a form of entertainment, at parking lot in the coastal city of Misrata, Libya January 22, 2021. Picture taken January 22, 2021. REUTERS/Ayman Al-Sahili

Soccer Football - FA Cup - Fourth Round - Brentford v Leicester City - Brentford Community Stadium, London, Britain - January 24, 2021 General view inside the stadium before the match Action Images via Reuters/Andrew Couldridge

A Libyan amateur performs drifting using an old car as a form of entertainment, at parking lot in the coastal city of Misrata, Libya January 22, 2021. Picture taken January 22, 2021. REUTERS/Ayman Al-Sahili

Soccer Football - Serie A - Hellas Verona v Napoli - Stadio Marc'Antonio Bentegodi, Verona, Italy - January 24, 2021 General view of a stadium floodlight reflected inside the stadium before the match REUTERS/Jennifer Lorenzini

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Luton Town's Harry Cornick reacts after missing a chance to score REUTERS/David Klein

A Libyan amateur performs drifting using an old car as a form of entertainment, at parking lot in the coastal city of Misrata, Libya January 22, 2021. Picture taken January 22, 2021. REUTERS/Ayman Al-Sahili

Soccer Football - Serie A - Juventus v Bologna - Allianz Stadium, Turin, Italy - January 24, 2021 Juventus coach Andrea Pirlo with Bologna coach Sinisa Mihajlovic after the match REUTERS/Massimo Pinca

Soccer Football - Serie A - Juventus v Bologna - Allianz Stadium, Turin, Italy - January 24, 2021 Bologna coach Sinisa Mihajlovic looks dejected after the match REUTERS/Massimo Pinca

Soccer Football - Serie A - Juventus v Bologna - Allianz Stadium, Turin, Italy - January 24, 2021 Juventus' Merih Demiral celebrates with Matthijs de Ligt after the match REUTERS/Massimo Pinca

A police officer speaks to a man during a protest against restrictions put in place to curb the spread of the coronavirus disease (COVID-19), in Amsterdam, Netherlands January 24, 2021. REUTERS/Eva Plevier

A man poses as he takes part in a protest against restrictions put in place to curb the spread of the coronavirus disease (COVID-19), in Amsterdam, Netherlands January 24, 2021. REUTERS/Eva Plevier

Acting Chief Executive Officer of Gulf Air, Captain Waleed Abdulhameed Al Alawi poses for photos during an interview at the company's headquarters in Muharraq, Bahrain, January 24, 2021. REUTERS/Hamad I Mohammed

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Luton Town's Jordan Clark in action with Chelsea's Emerson REUTERS/David Klein

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Luton Town's Jordan Clark in action with Chelsea's Emerson REUTERS/David Klein

Soccer Football - Serie A - Juventus v Bologna - Allianz Stadium, Turin, Italy - January 24, 2021 Juventus' Cristiano Ronaldo in action with Bologna's Adama Soumaoro REUTERS/Massimo Pinca

Acting Chief Executive Officer of Gulf Air, Captain Waleed Abdulhameed Al Alawi poses for photos during an interview at the company's headquarters in Muharraq, Bahrain, January 24, 2021. REUTERS/Hamad I Mohammed

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Former player and BBC TV pundit Danny Murphy in the stands REUTERS/David Klein

Soccer Football - FA Cup - Fourth Round - Chelsea v Luton Town - Stamford Bridge, London, Britain - January 24, 2021 Former player Jimmy Floyd Hasselbaink in the stands REUTERS/David Klein