Round 1 of the British Open

Rory McIlroy grabbed the lead after the first round of the 2014 British Open at Royal Liverpool. Here is the first day in pictures.

Great stretch gives Tiger Woods good start

Tiger Woods of the US plays a shot off the 4th tee during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014. (AP Photo/Peter Morrison)

Phil Mickelson of the US looks for his ball in the rough on the 18th hole during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014

Phil Mickelson of the US looks for his ball in the rough on the 18th hole during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014. (AP Photo/Jon Super)

Adam Scott of Australia and Jason Dufner of the US, right, shake hands after finishing their round on the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014

Adam Scott of Australia and Jason Dufner of the US, right, shake hands after finishing their round on the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014. (AP Photo/Jon Super)

Rory McIlroy builds a 4-shot lead at British Open

Edoardo Molinari of Italy watches his shot off the 4th tee during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014. (AP Photo/Alastair Grant)

McIlroy and Woods deliver at British Open

Tiger Woods of the US looks at his putt on the 2nd green during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014. (AP Photo/Peter Morrison)

McIlroy and Woods deliver at British Open

Bubba Watson of the US putts on the 16th green during a practice round ahead of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Wednesday July 16, 2014. The British Open Golf championship starts Thursday July 17. (AP Photo/Peter Morrison)

Phil Mickelson of the US puts on a glove to putt on the 15th green during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014

Phil Mickelson of the US puts on a glove to putt on the 15th green during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014. (AP Photo/Scott Heppell)

McIlroy and Woods deliver at British Open

Rickie Fowler of the US plays a shot off the 4th tee during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014. (AP Photo/Jon Super)

Graeme McDowell of Northern Ireland watches his tee shot during a practice round ahead of the British Open Championship at the Royal Liverpool Golf Club in Hoylake

Graeme McDowell of Northern Ireland watches his tee shot on the fourth hole during a practice round ahead of the British Open Championship at the Royal Liverpool Golf Club in Hoylake, northern England July 15, 2014. REUTERS/Phil Noble

McIlroy and Woods deliver at British Open

Henrik Stenson of Sweden plays a shot off the 13th tee during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014. (AP Photo/Peter Morrison)

McIlroy and Woods deliver at British Open

Tiger Woods of the US plays a shot off the 8th tee during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014. (AP Photo/Peter Morrison)

Rory McIlroy of Northern Ireland plays a shot on the 16th hole during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014

Rory McIlroy of Northern Ireland plays a shot on the 16th hole during the first day of the British Open Golf championship at the Royal Liverpool golf club, Hoylake, England, Thursday July 17, 2014. (AP Photo/Peter Morrison)

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