Before the shutdown, soccer matches occurred throughout Europe without fans in attendance, but it was an eerily quiet scene.
When the Bundesliga resumed its season without fans, it became a valuable laboratory.
In Iran, women are barred from entering soccer matches.
All sporting events in Italy will take place without fans present for at least the next month due to the coronavirus outbreak in the country.
European football's governing body has ordered Hungary to play its next two UEFA matches without spectators for "the discriminatory behavior of its supporters" at the European Championships.
Though the coronavirus is still an issue across the globe, Europe's top soccer leagues are ready to reintroduce fans.
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The NBA reportedly sent a memo to teams explaining that they should prepare to play games without fans in attendance due to the coronavirus outbreak.
OPINION: There is room for more upside as Germans adjust to television as the only way to see live soccer this spring and summer and international soccer fans ...
(Reuters) - Spain coach Luis Enrique is no fan of playing matches without spectators as leagues begin to return in empty stadiums after being disrupted by the COVID-19 pandemic.