A young fan cheers on Tiger Woods at the PGA Championship through a gate at TPC Harding Park, where fans are not allowed on the golf course due to the global outbreak of the coronavirus disease (COVID-19), in San Francisco, California, U.S. August 8, 2020. Picture taken August 8, 2020. REUTERS/Rory Carroll

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Catalans Dragons' Jason Baitieri celebrates scoring their sixth try Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Catalans Dragons' Jason Baitieri scores their sixth try Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Catalans Dragons' Joel Tomkins scores their fifth try Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Catalans Dragons' Benjamin Garcia celebrates scoring their fourth try Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Catalans Dragons' Benjamin Garcia celebrates scoring their fourth try Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Catalans Dragons' Jason Baitieri in action with Castleford Tigers' Jacques O'Neill Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Catalans Dragons' Benjamin Garcia in action with Castleford Tigers' George Griffin Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Castleford Tigers' Jacques O'Neill in action with Catalans Dragons' James Maloney Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Castleford Tigers' Jacques O'Neill in action with Catalans Dragons' James Maloney Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Castleford Tigers' Michael Shenton scores their second try Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Castleford Tigers Oliver Holmes in action with Catalans Dragons Israel Folau Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Castleford Tigers Michael Shenton celebrates scoring their first try Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Catalans Dragons' Benjamin Jullien and Israel Folau kneel with teammates in support of the Black Lives Matter campaign before the match Action Images/Jason Cairnduff

Rugby League - Super League - Castleford Tigers v Catalans Dragons - Emerald Headingley Stadium, Leeds, Britain - August 8, 2020 Catalans Dragons' Tom Davies in action with Castleford Tigers' Michael Shenton and Oliver Holmes Action Images/Jason Cairnduff

Forest officials carry a tranquilized tiger after it strayed from Kaziranga National Park and took shelter in a house at Baghmari village in Nagaon district, Assam, India, July 15, 2020. REUTERS/Anuwar Hazarika

Animal rights activists protest in front of the Zurich zoo entrance after a female Siberian tiger attacked and killed a 55-year-old zookeeper, as the coronavirus disease (COVID-19) outbreak continues, in Zurich, Switzerland July 6, 2020. REUTERS/Arnd Wiegmann

Animal rights activists protest in front of the Zurich zoo entrance after a female Siberian tiger attacked and killed a 55-year-old zookeeper, as the coronavirus disease (COVID-19) outbreak continues, in Zurich, Switzerland July 6, 2020. REUTERS/Arnd Wiegmann

Animal rights activists protest in front of the Zurich zoo entrance after a female Siberian tiger attacked and killed a 55-year-old zookeeper, as the coronavirus disease (COVID-19) outbreak continues, in Zurich, Switzerland July 6, 2020. REUTERS/Arnd Wiegmann

A woman looks at a tiger as he walks behind a protective glass near a hand sanitising station at the zoo area of Chessington World of Adventures ahead of the reopening of the theme park and resort hotel, following the outbreak of the coronavirus disease (COVID-19), in Chessington, Britain July 1, 2020. REUTERS/Toby Melville

Russian Tigr-M (Tiger-M) all-terrain infantry mobility vehicles and a Yars intercontinental ballistic missile system drive during the Victory Day Parade in Red Square in Moscow, Russia June 24, 2020. The military parade, marking the 75th anniversary of the victory over Nazi Germany in World War Two, was scheduled for May 9 but postponed due to the outbreak of the coronavirus disease (COVID-19). REUTERS/Maxim Shemetov

Cheerleaders dance on a platform near the empty spectator seats during a baseball match between Yomiuri Giants and Hanshin Tigers as Nippon Professional Baseball league starts behind closed doors due to the spread of the coronavirus disease (COVID-19) at Tokyo Dome in Tokyo, Japan June 19, 2020. REUTERS/Jack Tarrant

Cheerleaders dance on a platform near the empty spectator seats during a baseball match between Yomiuri Giants and Hanshin Tigers as Nippon Professional Baseball league starts behind closed doors due to the spread of the coronavirus disease (COVID-19) at Tokyo Dome in Tokyo, Japan June 19, 2020. REUTERS/Jack Tarrant

A cheerleader practices before the baseball match between Yomiuri Giants and Hanshin Tigers as Nippon Professional Baseball league starts behind closed doors due to the spread of the coronavirus disease (COVID-19) at Tokyo Dome in Tokyo, Japan June 19, 2020. REUTERS/Jack Tarrant

Players from Yomiuri Giants and Hanshin Tigers attend a ceremony before playing a baseball game in front of empty spectator seats as Nippon Professional Baseball league starts behind closed doors due to the spread of the coronavirus disease (COVID-19) at Tokyo Dome in Tokyo, Japan June 19, 2020. REUTERS/Jack Tarrant

Players from Yomiuri Giants and Hanshin Tigers play a baseball game in front of empty spectator seats as Nippon Professional Baseball league starts behind closed doors due to the spread of the coronavirus disease (COVID-19) at Tokyo Dome in Tokyo, Japan June 19, 2020. REUTERS/Jack Tarrant

Yomiuri Giants mascot sits in an empty spectator seat during a baseball match between Yomiuri Giants and Hanshin Tigers as Nippon Professional Baseball league starts behind closed doors due to the spread of the coronavirus disease (COVID-19) at Tokyo Dome in Tokyo, Japan June 19, 2020. REUTERS/Jack Tarrant

A tiger is pictured in its enclosure behind a social distancing marker at Chester Zoo which remains closed despite a partial easing of restrictions as the spread of the coronavirus disease (COVID-19) continues in Chester, Britain, June 4, 2020. REUTERS/Phil Noble

A tiger is pictured in its enclosure behind a social distancing marker at Chester Zoo which remains closed despite a partial easing of restrictions as the spread of the coronavirus disease (COVID-19) continues in Chester, Britain, June 4, 2020. REUTERS/Phil Noble

A social distancing sign is seen in the window of a Flying Tiger Copenhagen store following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 29, 2020. REUTERS/John Sibley

Fitri, a 19-year-old Sumatran tiger, is seen at a zoo amid the coronavirus disease (COVID-19) outbreak in Bandung, West Java Province, Indonesia, May 18, 2020. Picture taken May 18, 2020. REUTERS/Ajeng Dinar Ulfiana

Plexiglass sheets help protect cashiers during the coronavirus disease (COVID-19) outbreak at the Tiger Market in Oxon Hill, Maryland, U.S. May 20, 2020. REUTERS/Jonathan Ernst

Mic’Kale Smith, who works as a security guard but has had to take time off to care for her son during the coronavirus disease (COVID-19) outbreak, wears a face mask as she shops with her son Da’Mier at the Tiger Market in Oxon Hill, Maryland, U.S. May 20, 2020. REUTERS/Jonathan Ernst

A clerk wears a mask as he stocks drinks during the coronavirus disease (COVID-19) outbreak at the Tiger Market in Oxon Hill, Maryland, U.S. May 20, 2020. REUTERS/Jonathan Ernst

Chiafa, a white Bengal tiger, is pictured at Sofia city zoo, after it opened its doors to the public this week after being closed for over two months amid the outbreak of the coronavirus disease (COVID-19), Bulgaria, May 15, 2020. REUTERS/Stoyan Nenov

Chiafa, a white Bengal tiger, is pictured at Sofia city zoo, after it opened its doors to the public this week after being closed for over two months amid the outbreak of the coronavirus disease (COVID-19), Bulgaria, May 15, 2020. REUTERS/Stoyan Nenov

Chiafa, a white Bengal tiger, is pictured at Sofia city zoo, after it opened its doors to the public this week after being closed for over two months amid the outbreak of the coronavirus disease (COVID-19), Bulgaria, May 15, 2020. REUTERS/Stoyan Nenov

Chiafa, a white Bengal tiger, is pictured at Sofia city zoo, after it opened its doors to the public this week after being closed for over two months amid the outbreak of the coronavirus disease (COVID-19), Bulgaria, May 15, 2020. REUTERS/Stoyan Nenov

Tigers rest as visitors look on after coronavirus disease (COVID-19) restrictions were lifted at the Topeka Zoo in Topeka, Kansas, U.S., May 14, 2020. REUTERS/Nate Chute

A white tiger is seen in its enclosure at an empty private zoo called "12 Months" in the town of Demydiv, Ukraine May 8, 2020. Picture taken May 8, 2020. A private zoo, which closed its doors to visitors during Ukraine's coronavirus lockdown, has almost run out of money and can barely cover utility bills to maintain conditions for its animals. REUTERS/Gleb Garanich

Emiliano Abramo, President of the charity Sant'Egidio of Catania feeds a tiger, as he delivers food and nappies to the children of the Orfei circus which has been closed for forty days following the outbreak of the coronavirus disease (COVID-19) in Santa Teresa di Riva, Italy, April 24, 2020. REUTERS/Antonio Parrinello

Zoo curator Jose Dias points at a tiger at the Lisbon Zoo as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal April 23, 2020. REUTERS/Rafael Marchante

A man in a protective suit sprays disinfectant in a tiger enclosure at Alipore zoo amid concerns about the spread of coronavirus disease (COVID-19), in Kolkata, India, April 7, 2020. REUTERS/Rupak De Chowdhuri

A tiger is seen in its cage after Giza Zoo was closed to visitors to help prevent the spread of coronavirus disease (COVID-19) on the outskirts of Cairo, Egypt April 2, 2020. Picture taken April 2, 2020. REUTERS/Amr Abdallah Dalsh

Rugby Union - Tetley's Bitter Cup Quarter Final - Richmond v Leicester Tigers - February 27, 1999 Leicester Tigers' Lewis Moody in action with Richmond's Earl Va'a REUTERS/Action Images

Rugby Union - Scottish Amicable Trophy - Barbarians v Leicester Tigers - London, Britain - June 4, 2000 Barbarians' Ian Jones reacts REUTERS/Action Images

Rugby Union - Pilkington Cup Quarter Final - Leicester Tigers v Harlequins - Leicester, Britain - February 24, 1996 Leicester Tigers' Martin Johnson REUTERS/Action Images

Rugby Union - Allied Dunbar Premiership - Leicester Tigers v West Hartlepool - Welford Road, Leicester, Britain - May 16, 1999 Leicester Tigers' Martin Johnson celebrates with the trophy after the match REUTERS/Action Images

Rugby Union - Allied Dunbar Premiership - Leicester Tigers v Bath - Welford Road, Leicester, Britain - May 21, 2000 Leicester Tigers' Martin Johnson celebrates with the trophy REUTERS/Action Images

Rugby Union - Allied Dunbar Premiership - Leicester Tigers v Bath - Welford Road, Leicester, Britain - May 21, 2000 Leicester Tigers' Martin Johnson celebrates with the trophy REUTERS/Action Images

Rugby Union - Heineken Cup Pool 1 - Leicester Tigers v Leinster - Welford Road, Leicester, Britain - January 15, 2000 Leicester Tigers' Craig Joiner REUTERS/Action Images

Rugby Union - Zurich Premiership - Leicester Tigers v Sale Sharks - Welford Road, Leicester, Britain - December 27, 2001 Leicester Tigers' Josh Kronfeld in action REUTERS/Action Images

Rugby Union - Heineken Cup Pool 6 - Leicester Tigers v Pau - Welford Road, Leicester, Britain - October 7, 2000 Leicester Tigers' Ben Kay in action REUTERS/Action Images

Rugby Union - Allied Dunbar Premiership - Leicester Tigers v London Irish - Welford Road, Leicester, Britain - March 25, 2000 Leicester Tigers' Martin Johnson before the match REUTERS/Action Images

Rugby Union - Zurich Premiership - Leicester Tigers v Saracens - Welford Road, Leicester, Britain - October 20, 2001 Leicester Tigers' Josh Kronfeld in action REUTERS/Action Images

Rugby Union - Zurich Premiership Quarter Final - Leicester Tigers v London Irish - April 28, 2001 Leicester Tigers' Martin Johnson in action REUTERS/Action Images

Rugby Union - Zurich Premiership - Leicester Tigers v Bath - Welford Road Stadium, Leicester, Britain - September 22, 2001 Leicester Tigers' Ben Kay in action REUTERS/Action Images

Rugby Union - Zurich Premiership - Leicester Tigers v Bristol - Welford Road, Leicester, Britain - February 6, 2001 Leicester Tigers' Martin Johnson in action during a lineout REUTERS/Action Images

Rugby Union - Heineken Cup Final - Leicester Tigers v Stade Francais - Parc des Princes, Paris, France - May 19, 2001 Leicester Tigers' Ben Kay celebrates with the trophy after the match REUTERS/Action Images