Olympiakos players challenge for the ball during warm up prior the Europa League round of 16 first leg soccer match between Olympiakos and Wolverhampton Wanderers at the Karaiskakis Stadium in Piraeus, Greece, Thursday, March 12, 2020. The match is being played in an empty stadium because of the coronavirus outbreak. (AP Photo/Thanassis Stavrakis)

Empty seats ring the field during a One Day International cricket match between Australia and New Zealand at the Sydney Cricket Ground in Sydney, Friday, March 13, 2020. Cricket Australia announced that three one-day international matches between Australia and New Zealand would be played in empty stadiums because of concerns over the coronavirus pandemic. The first of the three matches began at the 48,000-seat Sydney Cricket Ground, where television announcers spoke of the "eerie" silence in the stadium devoid of fans. (Dean Lewins/AAP Image via AP)