RACING:  George Washington is 2 to 1 favourite to give Aidan O'Brien a fourth triumph in the 2000 Guineas at Newmarket on Saturday.

The Ballydoyle trainer has been successful in the colts' Classic with Footstepsinthesand last year, Rock of Gibraltar (2002) and King of Kings (1998). O'Brien has a team of five among 18 horses left in the Newmarket Group One at the five-day confirmation stage.

BETTING: 2-1 George Washington, 7-2 Sir Percy, 6-1 Amadeus Wolf, 13-2 Horatio Nelson, 12-1 Asset, 16-1 Opera Cape, Killybegs, 20-1 Olympian Odyssey, 33-1 Final Verse, Heliostatic, 40-1 Red Clubs, Misu Bond, 50-1 bar.