Chinese basketball player Yi Jianlian (C) of the Guangdong Southern Tigers celebrates with his teammates during the Chinese Basketball Association (CBA) game against the Fujian Sturgeons in Dongguan, south China's Guangdong Province, June 28, 2020. The CBA resumed on June 20. /VCG

Players of FC Red Bull Salzburg celebrate after sealing the club's seventh consecutive Austrian football league title in Salzburg, Austria, June 28, 2020. /VCG

American golfer Dustin Johnson putts during the final round of the Travelers Championship. He won the golf event at the River Highlands in Cromwell, Connecticut, U.S., June 28, 2020. /VCG

Dutch football superstar Arjen Robben holds his new jersey after coming out of retirement to sign for Eredivisie side FC Groningen, where the 36-year-old started his professional career, June 27, 2020. /VCG

Bayern Munich's German goalkeeper Manuel Neuer (C) prepares to lift the trophy as his teammates celebrate in a near-empty stadium after securing their eighth successive Bundesliga title in Wolfsburg, Germany, June 27, 2020. /VCG

Ignoring social distancing rules, hundreds of Liverpool supporters cheer for their team's Premier League victory with flares outside Anfield in Liverpool, UK, June 25, 2020. /VCG

The Sydney Opera House lights up in celebration of Australia and New Zealand's successful joint bid to host the FIFA Women's World Cup 2023, in Sydney, Australia, June 25, 2020. /VCG

President of the Chinese Table Tennis Association Liu Guoliang (L), Chinese table tennis players Ma Long (C) and Ding Ning share their sports stories during the Olympic Day #StayStrong livestream event on June 23, 2020. /Official Website of the Chinese Olympic Committee screenshot

Tennis world No. 1 Novak Djokovic wins a match during the Adria Tour, an exhibition event he organized in Zadar, Croatia, June 21, 2020. The Serb apologized on June 23 as he announced that he and his wife, Jelena, had tested positive for COVID-19. /VCG

Over 10,000 fans of Red Star Belgrade watch the Serbian football Super Liga final with Proleter Novi Sad in Belgrade, Serbia, June 20, 2020. Belgrade won the league title but five players from the club tested positive for COVID-19, the club said on June 22. /VCG