Mixed martial arts

Cars go through a turn past a sign thanking people working during the coronavirus pandemic at Darlington Raceway Sunday, May 17, 2020, in Darlington, S.C. NASCAR, which has been idle for 10 weeks because of the pandemic, made its return with the Real Heroes 400 Nascar Cup Series auto race. (AP Photo/Jenna Fryer)

FILE - In this Sept. 4, 2015, file photo, Aric Almirola heads for the track during a NASCAR Sprint Cup auto racing practice session at Darlington Raceway in Darlington, S.C. NASCAR will resume its season without fans starting May 17 at Darlington Raceway in South Carolina. As NASCAR speeds back to the race track during the coronavirus pandemic the series has a heavy responsibility to set a safety standard that doesn't slow the return of other sports. (AP Photo/Terry Renna, File)

Second base umpire Kim Jun-hee wearing a mask and gloves as a precaution against the new coronavirus calls during a baseball game between Hanwha Eagles and SK Wyverns in Incheon, South Korea, Tuesday, May 5, 2020. With umpires fitted with masks and cheerleaders dancing beneath vast rows of empty seats, a new baseball season got underway in South Korea following a weeks-long delay because of the coronavirus pandemic.(AP Photo/Lee Jin-man)

FILE - In this Jan. 21, 2018, file photo, Stipe Miocic, right, lands a right hand against Francis Ngannou during a heavyweight championship mixed martial arts bout at UFC 220 in Boston. Heavyweight champion Stipe Miocic welcomes the UFC's planned return. The fighter and firefighter does have some worries, though. (AP Photo/Gregory Payan, File)

FILE - In this Oct. 6, 2018, file photo, Dana White, president of the UFC, speaks at a news conference after the UFC 229 mixed martial arts event in Las Vegas. The UFC is determined to fight on amid the worldwide coronavirus outbreak. The UFC hasn't canceled any competitions, even those previously scheduled for areas where large gatherings are now banned. White attributes his decision to go against the sports world's collective mindset partly to a conversation Thursday, March 12, 2020, with President Donald Trump and Vice President Mike Pence. (AP Photo/John Locher, File)

A locked gate is seen by the Etihad Stadium where Manchester City was due to play Burnley in an English Premier League soccer match Saturday March 14, 2020, after all English soccer games were cancelled due to the spread of the COVID-19 Coronavirus. For most people, the new COVID-19 coronavirus causes only mild or moderate symptoms, but for some it can cause more severe illness.(AP Photo/Jon Super)