Golf - British Open - practice round - Royal Troon, Scotland, Britain - 12/07/2016. Vijay Singh of Fiji (R) looks on as the caddie of U.S. golfer Marco Dawson is loaded onto an ambulance after he was struck by a golf ball. REUTERS/Craig Brough 

Britain's Prince William, Duke of Cambridge, his wife Catherine, Duchess of Cambridge, British high commissioner to India Dominic Asquith and India's junior minister for Information and Broadcasting Rajyavardhan Singh Rathore stand for national anthem at a garden party celebrating the Queen's 90th birthday at the British High Commission in New Delhi, India, April 11, 2016. REUTERS/Vijay Verma/Pool

Vijay Singh of Fiji casts a shadow as he walks up the first fairway with his caddie Cayce Kerr during first round play of the Masters golf tournament at the Augusta National Golf Course in Augusta, Georgia April 9, 2015. REUTERS/Brian Snyder 

India's Minister of State for External Affairs Vijay Kumar Singh arrives for Asia-Europe Meeting (ASEM) in Milan October 16, 2014. REUTERS/Stefano Rellandini (ITALY - Tags: POLITICS) 

India's Murali Vijay (L) and Mahendra Singh Dhoni leave the field not out at the end of the first day's play in the first cricket test match against England at Trent Bridge cricket ground in Nottingham, England July 9, 2014. REUTERS/Philip Brown (BRITAIN - Tags: SPORT CRICKET) 

Former champion Vijay Singh of Fiji reacts after his tee shot on the fourth hole during the third round of the Masters golf tournament at the Augusta National Golf Club in Augusta, Georgia April 12, 2014. REUTERS/Jim Young (UNITED STATES - Tags: SPORT GOLF)

Former champion Vijay Singh of Fiji hits from the fairway on the eighth hole during the second round of the Masters golf tournament at the Augusta National Golf Club in Augusta, Georgia April 11, 2014. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT GOLF)

Former Masters champion Vijay Singh of Fiji walks up the second fairway during the second round of the Masters golf tournament at the Augusta National Golf Club in Augusta, Georgia April 11, 2014. REUTERS/Brian Snyder (UNITED STATES - Tags: SPORT GOLF)

Former Masters champion Vijay Singh of Fiji tees off on the second hole during the first round of the 2014 Masters golf tournament at the Augusta National Golf Club in Augusta, Georgia April 10, 2014. REUTERS/Jim Young (UNITED STATES - Tags: SPORT GOLF)

Golfer Vijay Singh of Fiji walks up the 11th fairway during a practice round ahead of the Masters golf tournament at the Augusta National Golf Club in Augusta, Georgia April 8, 2014. REUTERS/Mike Blake (UNITED STATES - Tags: SPORT GOLF)

Vijay Singh of Fiji reacts to missing his putt on the 11th green during the first round at the Sony Open golf tournament at Waialae Country Club in Honolulu, Hawaii, January 9, 2014. REUTERS/Hugh Gentry (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji places his ball on the 11th green before he putts during the first round at the Sony Open golf tournament at Waialae Country Club in Honolulu, Hawaii January 9, 2014. REUTERS/Hugh Gentry (UNITED STATES - Tags: SPORT GOLF) 

Fiji's Vijay Singh tees off on the 15th hole during the second round of the 2013 PGA Championship golf tournament at Oak Hill Country Club in Rochester, New York August 9, 2013. REUTERS/Mathieu Belanger (UNITED STATES - Tags: SPORT GOLF)

Fiji's Vijay Singh tees off on the seventh hole during a practice round for the 2013 PGA Championship golf tournament at Oak Hill Country Club in Rochester, New York, August 5, 2013. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT GOLF)

Fiji's Vijay Singh walks off the sixth green during a practice round for the 2013 PGA Championship golf tournament at Oak Hill Country Club in Rochester, New York, August 5, 2013. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT GOLF)

Vijay Singh of Fiji hits from the bunker on the 16th hole during the third round of the Canadian Open golf tournament at the Glen Abbey Golf Club in Oakville, July 27, 2013. REUTERS/Mark Blinch (CANADA - Tags: SPORT GOLF) 

Vijay Singh of Fiji tees off the tenth hole during the third round at the Canadian Open golf tournament at the Glen Abbey Golf Club in Oakville, July 27, 2013. REUTERS/Mark Blinch (CANADA - Tags: SPORT GOLF) 

Vijay Singh of Fiji tees off during the pro-am at the Canadian Open golf tournament at the Glen Abbey Golf Club in Oakville, July 24, 2013. REUTERS/Mark Blinch (CANADA - Tags: SPORT GOLF) 

Vijay Singh of Fiji chips out of a bunker onto the fifth green during a practice round ahead of the British Open golf championship at Muirfield in Scotland July 15, 2013. REUTERS/Toby Melville (BRITAIN - Tags: SPORT GOLF)

Vijay Singh of Fiji watches his tee shot on the fifth hole during a practice round ahead of the British Open golf championship at Muirfield in Scotland July 15, 2013. REUTERS/Toby Melville (BRITAIN - Tags: SPORT GOLF)

Vijay Singh of Fuji prepares to hit his tee shot on the ninth hole during the first round of The Players Championship PGA golf tournament at TPC Sawgrass in Ponte Vedra Beach, Florida May 9, 2013. Singh sued the PGA Tour for "reckless administration and implementation" of its anti-doping programme on Wednesday, a week after golf's premier tour dropped a doping case against the Fijian. REUTERS/Chris Keane (UNITED STATES - Tags: SPORT GOLF)

Vijay Singh of Fuji hits out of a sandtrap on the ninth hole during the first round of The Players Championship PGA golf tournament at TPC Sawgrass in Ponte Vedra Beach, Florida May 9, 2013. REUTERS/Chris Keane (UNITED STATES - Tags: SPORT GOLF)

Steve Stricker of the U.S. (R) and Vijay Singh of Fiji walk to the 13th green during a practice round in preparation for the 2013 Masters golf tournament at the Augusta National Golf Club in Augusta, Georgia, April 8, 2013. REUTERS/Phil Noble (UNITED STATES - Tags: SPORT GOLF)

Fiji's Vijay Singh watches his shot on the 16th hole during first round play in the Arnold Palmer Invitational PGA golf tournament in Orlando, Florida March 21, 2013. REUTERS/Scott Miller (UNITED STATES - Tags: SPORT GOLF)

The golf club bag of Vijay Singh await his arrival on the practice range before his start in the first round of the Northern Trust Open golf tournament at Riviera Country Club in Los Angeles February 14, 2013. REUTERS/Danny Moloshok (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji hits his approach shot on the ninth hole during the first round of the Northern Trust Open golf tournament at Riviera Country Club in Los Angeles February 14, 2013. REUTERS/Danny Moloshok (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji hits off the 10th tee of the north course at Torrey Pines during first round play at the Farmers Insurance Open in San Diego, California, January 24, 2013. REUTERS/Mike Blake (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji follows his ball after hitting on the 13th fairway during the second round of the Sony Open golf tournament in Honolulu, Hawaii January 11, 2013. REUTERS/Hugh Gentry (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of the Fiji Islands drives off the 14th tee during the first round of the Sony Open golf tournament in Honolulu, Hawaii January 10, 2013. REUTERS/Hugh Gentry (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji reacts after hitting his ball from a sand trap on the eleventh hole during the final round of the PGA Championship golf tournament in Carmel, Indiana September 9, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji putts his ball on the first green during the final round of the PGA Championship golf tournament in Carmel, Indiana September 9, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji (L) and Phil Mickelson of the U.S. repair the second green during the final round of the PGA Championship golf tournament in Carmel, Indiana September 9, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji smiles while leaving the first green during the final round of the PGA Championship golf tournament in Carmel, Indiana September 9, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Phil Mickelson (L) of the U.S. smiles while walking ahead of Vijay Singh of Fiji toward the first green during the final round of the PGA Championship golf tournament in Carmel, Indiana September 9, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji reacts while walking off the fifth tee during round three of the BMW Championship golf tournament in Carmel, Indiana September 8, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji walks toward the fourth tee during round three of the BMW Championship golf tournament in Carmel, Indiana September 8, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji watches others putt on the fifth green during round three of the BMW Championship golf tournament in Carmel, Indiana September 8, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji hits his tee shot from the sixth tee during round three of the BMW Championship golf tournament in Carmel, Indiana September 8, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji (R) leads Rory McIlroy of Northern Ireland from the sixth tee box during round three of the BMW Championship golf tournament in Carmel, Indiana September 8, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji (L) watches Rory McIlroy of Northern Ireland putt on the sixth green during round three of the BMW Championship golf tournament in Carmel, Indiana September 8, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji hits his tee shot from the seventh tee during round three of the BMW Championship golf tournament in Carmel, Indiana September 8, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji watches his tee shot from the seventh tee during round two of the BMW Championship golf tournament in Carmel, Indiana September 8, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji walks to get to his ball on the eighth green during round two of the BMW Championship golf tournament in Carmel, Indiana September 7, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji watches his drive as it leaves the eighth tee during round two of the BMW Championship golf tournament in Carmel, Indiana September 7, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji drives from the eighth tee during round two of the BMW Championship golf tournament in Carmel, Indiana September 7, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh (L) of Fiji walks with his caddie to the ninth green during round two of the BMW Championship golf tournament in Carmel, Indiana September 7, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji lines up a putt on the eighth green during round two of the BMW Championship golf tournament in Carmel, Indiana September 7, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji putts his golf ball on the ninth green during round two of the BMW Championship golf tournament in Carmel, Indiana September 7, 2012. REUTERS/Brent Smith (UNITED STATES - Tags: SPORT GOLF) 

Vijay Singh of Fiji watches his tee shot on the sixth hole during the third round of the PGA Championship golf tournament at The Ocean Course on Kiawah Island, South Carolina, August 11, 2012. REUTERS/Chris Keane (UNITED STATES - Tags: SPORT GOLF)

Vijay Singh of Fiji tees off on the second hole during the third round of the PGA Championship golf tournament at The Ocean Course on Kiawah Island, South Carolina, August 11, 2012. REUTERS/Chris Keane (UNITED STATES - Tags: SPORT GOLF)

Tiger Woods hits his second shot on the second fairway as Vijay Singh of Fiji looks on during the third round of the PGA Championship golf tournament at The Ocean Course on Kiawah Island, South Carolina, August 11, 2012. REUTERS/Chris Keane (UNITED STATES - Tags: SPORT GOLF)

Vijay Singh of Fiji hits his tee shot on the 16th hole during the second round of the PGA Championship golf tournament at The Ocean Course on Kiawah Island, South Carolina, August 10, 2012. REUTERS/Mathieu Belanger (UNITED STATES - Tags: SPORT GOLF)

Vijay Singh of Fiji looks over the 15th hole during the second round of the PGA Championship golf tournament at The Ocean Course on Kiawah Island, South Carolina, August 10, 2012. REUTERS/Mathieu Belanger (UNITED STATES - Tags: SPORT GOLF)

Vijay Singh of Fiji hits his tee shot on the third hole during the second round of the PGA Championship golf tournament at The Ocean Course at Kiawah Island, South Carolina, August 10, 2012. REUTERS/Matt Sullivan (UNITED STATES - Tags: SPORT GOLF)

Y.E. Yang of South Korea (L), and Vijay Singh of Fiji look over the third hole before teeing off during the second round of the PGA Championship golf tournament at The Ocean Course at Kiawah Island, South Carolina, August 10, 2012. REUTERS/Matt Sullivan (UNITED STATES - Tags: SPORT GOLF)

Vijay Singh of Fiji salutes the gallery on the 18th hole during the third round at the Canadian Open golf tournament at Hamilton Golf and Country Club in Ancaster, Ontario, July 28, 2012. REUTERS/ Mike Cassese (CANADA - Tags: SPORT GOLF) 

Bo Van Pelt of the U.S. watches his tee shot with Vijay Singh of Fiji (L) on the seventh tee during the third round at the Canadian Open golf tournament at Hamilton Golf and Country Club in Ancaster, Ontario, July 28, 2012. REUTERS/Mike Cassese (CANADA - Tags: SPORT GOLF) 

Vijay Singh of Fiji watches his tee shot on the seventh hole during the third round at the Canadian Open golf tournament at Hamilton Golf and Country Club in Ancaster, Ontario, July 28, 2012. REUTERS/Mike Cassese (CANADA - Tags: SPORT GOLF) 

Vijay Singh (L) of Fiji, Matt Kuchar of the U.S. and Ernie Els (R) of South Africa walk up the ninth fairway during the second round at the Canadian Open golf tournament at Hamilton Golf and Country Club in Ancaster, Ontario, July 27, 2012. REUTERS/ Mike Cassese (CANADA - Tags: SPORT GOLF) 

Vijay Singh of Fiji waves after putting on the 18th green during the second round at the Canadian Open golf tournament at Hamilton Golf and Country Club in Ancaster, Ontario, July 27, 2012. REUTERS/ Mike Cassese (CANADA - Tags: SPORT GOLF)