Muirfield increases total distance for golf 's big - shots at the 2013 British Open . Big changes at the ninth hole include raising the green and adding a bunker . There have also been changes to the greenside bunker to trap balls easier . Many of the changes you ca n't see and wo n't even know they 've been done . ` The Scottish course has lifted its mobile ball barrier for the tournament .
Muirfield increases total distance for golf 's big - shots at the 2013 British Open . Big changes at the ninth hole include raising the green and adding a bunker . There have also been changes to the greenside bunker to trap balls easier . The Scottish course has lifted its mobile ball barrier for the tournament .