The 142nd Open Championship is underway at a warm and sunny Muirfield.
Australian veteran Peter Senior, playing his 19th Open, was given the honour of starting the championship off with the first tee shot.
Defending champion Ernie Els is out at 9.11am alongside US Open champion Justin Rose and American Brandt Snedeker.
World number two Rory McIlroy, drawn with four-time major winner Phil Mickelson, is due to tee off at 9.44 in the second marquee group of the morning.
Scottish hopefuls Sandy Lyle and Martin Laird are set to start at 11.55 and 13.12, respectively.
Meanwhile, Tiger Woods, the world number one looking to add to his tally of 14 majors, will have to wait until 2.45 for his tee-time with Northern Ireland’s Graeme McDowell and 2010 Open champion Louis Oosthuizen.