LONDON, ENGLAND - JANUARY 24: Timo Werner of Chelsea warms up ahead of The Emirates FA Cup Fourth Round match between Chelsea and Luton Town at Stamford Bridge on January 24, 2021 in London, England. Sporting stadiums around the UK remain under strict restrictions due to the Coronavirus Pandemic as Government social distancing laws prohibit fans inside venues resulting in games being played behind closed doors. (Photo by Catherine Ivill/Getty Images)
