Images from the opening round of the 144th Open Championship at St. Andrews.
First tee announcer Ivor Robson looks on prior to the opening tee shots during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Matthew Lewis/Getty Images)
Kevin Na of the United States hits his second shot on the first hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Warren Little/R&A/R&A via Getty Images)
David Lingmerth of Sweden tees off on the 6th during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Streeter Lecka/Getty Images)
Amateur Paul Dunne of Ireland reacts to a putt during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Stuart Franklin/Getty Images)
David Lingmerth of Sweden hands his caddie Tim Butler a club on the sixth hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Ross Kinnaird/R&A/R&A via Getty Images)
Robert Streb of the United States tees off on the 6th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Streeter Lecka/Getty Images)
A fans sports a Canadian flag hairstyle as he follows Graham Delaet of Canada during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Stuart Franklin/Getty Images)
Tom Watson of the United States acknowledges spectators on the 2nd green during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Mike Ehrmann/Getty Images)
Luke Donald of England tees off on the 6th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Streeter Lecka/Getty Images)
Hunter Mahan of the United States with caddie John Wood as he tees off on the 6th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Streeter Lecka/Getty Images)
A general view of a scoreboard during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Streeter Lecka/Getty Images)
Bubba Watson of the United States drives off the second tee during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Ian Walton/R&A/R&A via Getty Images)
Tiger Woods of the United States hits his tee shot on the second hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by David Cannon/R&A/R&A via Getty Images)
Dustin Johnson of the United States tees off on the 2nd hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Andrew Redington/Getty Images)
Jordan Spieth of the United States tees off on the 2nd hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Andrew Redington/Getty Images)
Tom Watson of the United States and caddie Michael Watson walk together off the second tee during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Ian Walton/R&A/R&A via Getty Images)
Fans show their support for amateur Oliver Schniederjans of the United States during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Matthew Lewis/Getty Images)
Charl Schwartzel of South Africa walks off the second tee with caddie Adrian Schwartzel during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Ian Walton/R&A/R&A via Getty Images)
Tiger Woods of the United States reacts to a missed putt on the second green during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Warren Little/R&A/R&A via Getty Images)
Jordan Spieth of the United States walks up the fairway with caddie Michael Greller on the first hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Warren Little/R&A/R&A via Getty Images)
Dustin Johnson of the United States tees off on the 4th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Mike Ehrmann/Getty Images)
Jordan Spieth of the United States looks on from the 2nd green during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Mike Ehrmann/Getty Images)
Tadahiro Takayama of Japan tees off on the 6th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Streeter Lecka/Getty Images)
Retief Goosen of South Africa watches his tee shot on the 17th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Warren Little/R&A/R&A via Getty Images)
Tiger Woods of the United States looks thoughtful on the 10th green during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Matthew Lewis/Getty Images)
Dustin Johnson of the United States reacts after putting on the 13th green during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Ian Walton/R&A/R&A via Getty Images)
Luke Donald of England hits his tee shot on the 18th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Warren Little/R&A/R&A via Getty Images)
Bubba Watson of the United States hits a shot from the Road Hole bunker on the 17th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Richard Heathcote/R&A/R&A via Getty Images)
Adam Scott of Australia reacts to his putt on the first green during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Warren Little/R&A/R&A via Getty Images)
Rickie Fowler of the United States tees off on the 6th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Matthew Lewis/Getty Images)
Phil Mickelson of the United States looks for his ball in a bush on the 6th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Andrew Redington/Getty Images)
John Daly of the United States reacts to his second shot on the 17th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Ross Kinnaird/R&A/R&A via Getty Images)
Henrik Stenson hits a tee shot during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Streeter Lecka/Getty Images)
John Daly of the United States hits his tee shot on the 18th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by David Cannon/R&A/R&A via Getty Images)
Bernd Wiesberger of Austria looks on from the 17th tee during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Warren Little/R&A/R&A via Getty Images)
Phil Mickelson of the United States reacts after missing a birdie putt on the 14th green during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Warren Little/R&A/R&A via Getty Images)
Zach Johnson of the United States reacts to a putt on the 18th green during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Stuart Franklin/Getty Images)
Geoff Ogilvy of Australia hits his tee shot on the 18th hole during the first round of the 144th Open Championship at The Old Course on July 16, 2015 in St Andrews, Scotland. (Photo by Ian Walton/R&A/R&A via Getty Images)