O`Brien clean-sweep odds offered Aidan O`Brien is quoted at 33-1 by bookmakers Cashmans to complete a clean sweep of the Irish classics this season.The Ballydoyle trainer has already won the Entenmann`s Irish 2000 and 1000 Guineas with Black Minnaloushe and Imagine, respectively, leaving the Budweiser Irish Derby, Kildangan Stud Irish Oaks and the Jefferson Smurfit Memorial Irish St Leger still to come.Cashmans went 6-1 Imagine for the Vodafone Oaks immediately after Sunday`s victory but that price has proved popular and the Cork firm has now shortened the filly`s price to 9-2 after laying a bet of #10,000 to #2,000 when available at 5-1.
