The Northern Irishman's sublime 2014 continues with a second major success.
Bernd Wiesberger sits one stroke off the Northern Irishman with Rickie Fowler in third.
The Northern Irishman is on course to secure back to back majors.
World number one is one shot behind Westwood after first round
The 38 year old completed opening round without recurrence of back problem
Woods recovering from back injury sustained at WGC-Bridgestone Invitational at the weekend
The 44 year old hopes to continue return to form at US PGA Championship
The American cancels pre-tournament press-conference in Kentucky but could still play
Rory McIlroy shoots -15 to win WGC-Bridgestone Invitational as Tiger Woods pulls out with back injury
The former world number 1 was forced to withdraw at the WGC-Bridgestone Invitational due to his back 'spasming'.
30-year-old golfer Dustin Johnson announced his decision to take a leave of absence on Friday.
American Dustin Johnson is on 'mission of self-improvement' after tying for 12th at British Open
All smiles for McIlroy family after Rory lifts Claret Jug and dad Gerry wins £100,000 bet.
Rory McIlroy takes out the Open to come a step closer towards completing a Grand Slam
Royal Liverpool, or Hoylake, has been lengthened and includes more testing obstacles than in 2006
The 14-time major winner is hopeful of drawing on his experience at Royal Liverpool
The Englishman goes to world No.3 ahead of the Royal Liverpool tournament
The Northern Irishman has ended speculation regarding his Olympic future.
Woods underwent back surgery in March that saw him miss the Masters and US Open
The 2013 champion will focus on enjoying himself at Pinehurst
Rose became the first Englishman in 43 years to win the US Open last year in Merion.
The former world No.1 continues to recover from back surgery
The Englishman says this week's BMW PGA Championship is ideal preparation for Pinehurst
The Irishman is hopeful Poulter will qualify automatically for Gleneagles
The Northern Irishman reveals he has no plans to withdraw from BMW PGA Championship
The world no. 2 is still unsure of a return date.
Scott sat out of the HP Byron Nelson Championship last week.
Captain Paul McGinley boosted by performances of Lee Westwood, Luke Donald and Sergio Garcia
Watson saw off the challenge of 20-year-old Jordan Spieth to repeat his 2012 success.
Bubba Watson took a three stroke lead on day two of the Masters.