sentences:  Vincent O'Brien took the advice of Roberto's owner John Galbreath, and flew in the Panamanian-born American jockey Braulio Baeza.Riding for the first time on an English racetrack, according to 'Raceform', a leading publisher of U.K. horseracing information, "Braulio Baeza aboard Roberto was out of the stalls like a bat out of hell.