Following are the leading first-round scores on Thursday in the US PGA Tour 6 million dollar Honda Classic (United States unless stated, par-70):

63 - Rory McIlroy (Nigeria)

64 - Russell Henley

65 - Rory Sabbatini (South Africa), William McGirt, Jamie Donaldson (Wales)

66 - Brendon de Jonge (Zimbabwe), Derek Ernst, Tommy Gainey, Brice Garnett, Matt Every

67 - Luke Donald (England), Zach Johnson, Will MacKenzie, Luke Guthrie, Brian Harman, Hudson Swafford, Tyrone Van Aswegen (South Africa), Mark Wilson, David Hearn (Canada), Matteo Manassero (Italy), Derek Fathauer

68 - Padraig Harrington (Ireland), James Driscoll, Troy Merritt, Nicholas Thompson, Boo Weekley, Adam Scott (Australia), Ken Duke, Lee Westwood (England), Ryan Palmer.