Mike Lemcke, from Richmond, Va., sits in an empty Greensboro Coliseum after the NCAA college basketball games were cancelled at the Atlantic Coast Conference tournament in Greensboro, N.C., Thursday, March 12, 2020. The biggest conferences in college sports all canceled their basketball tournaments because of the new coronavirus, seemingly putting the NCAA Tournament in doubt. The vast majority of people recover from the new coronavirus. According to the World Health Organization, most people recover in about two to six weeks, depending on the severity of the illness. (AP Photo/Ben McKeown)

Bugler Jay Cohen plays "First Call" as he calls the riders to post for the first race at Santa Anita Park to empty stands Saturday, March 14, 2020, in Arcadia, Calif. While most of the sports world is idled by the coronavirus pandemic, horse racing runs on. (AP Photo/Mark J. Terrill)

The Auburn fan section got creative by placing paper plate faces on the seats during the Class 1C boys high school basketball tournament championship game against Ogallala at Pinnacle Bank Arena, Saturday, March 14, 2020, in Lincoln, Neb. Crowds were limited to staff and immediate family due to concerns over the coronavirus. For most people, the new coronavirus causes only mild or moderate symptoms. For some it can cause more severe illness, especially in older adults and people with existing health problems. (Chris Machian/Omaha World-Herald via AP)

Omaha Skutt takes on Norris during the first day of the Nebraska boys state high school basketball tournament at Pinnacle Bank Arena Thursday, March 12, 2020, in Lincoln, Neb. The fans were restricted to staff and immediate family members due to concerns over the coronavirus. (Chris Machian/Omaha World-Herald via AP)

Matthew Hammerschmidt, right, and Dasan Zahn, both of Bismarck, N.D., visit Old Granary Burying Ground in Boston, Saturday, March, 14, 2020. Fans of the Boston Bruins, they had flown in specifically for Saturday night's game against the Toronto Maple Leafs. The pair said they learned that the NHL had suspended play due to concern about the coronavirus just as the plane was touching down in Boston. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. The vast majority of people recover from the new virus. (AP Photo/Michael Dwyer)

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)