Why the Masters doesn't start until the back 9 on SundayAUGUSTA, Ga. (AP) Jack Nicklaus was lining up his birdie putt on the ninth green at Augusta National when he heard a roar that startled him, and then anotherSI Staff|Share on FacebookShare on XAdd us as a preferred sourceAdd us as a preferred source on GoogleFollowLoading recommendations... Please wait while we load personalized content recommendationsPublished Apr 4, 2015 | Modified Apr 4, 2015SI STAFFShare on FacebookShare on X