Golf-Masters-First round leaderboard

April 9 (Reuters) - First round leaderboard from the U.S. Masters at Augusta National Golf Club, Augusta, Georgia on Thursday: (U.S. unless stated) -7 Chad Campbell 18 holes -6 Hunter Mahan 18 -6 Jim Furyk 18 -5 Shingo Katayama (Japan) 18

Larry Mize 18 -4 Tim Clark (South Africa) 18

Angel Cabrera (Argentina) 18

Mike Weir (Canada) 18

John Merrick 18

Todd Hamilton 18

Aaron Baddeley (Australia) 18

Sean O'Hair 18

Kenny Perry 17