AUGUSTA, Georgia :Scottie Scheffler launched his Masters title defence on Thursday with a par at cool and sunny Augusta National Golf Club where LIV Golf's Joaquin Niemann was part of a large pack sharing the early lead in the opening round of the year's first major. Scheffler, bidding to become only the fourth golfer to retain his Masters crown, found the fairway with his opening tee shot and two-putted from 31 feet after his approach safely found the green. Playing one group behind was a high-