O`Brien Guineas pair in good heart Aidan O`Brien reports Rock Of Gibraltar and Hawk Wing to be well after their exertions in finishing first and second in the Sagitta 2000 Guineas.The pair were separated by a neck in the first Classic of the season and Hawk Wing is now a best priced 9-4 favourite for the Vodafone Derby after his flying finish from what had to considered an unfavourable draw.O`Brien revealed today that the pair could clash again later this month.'Both are fine after the race and both are still possibles for the Irish Guineas,' he said after saddling Ontario to win the opening race at the Curragh today.O`Brien was also in the money at Chantilly today where he took the Group Three Prix La Force with Diaghilev.The son of Sadler`s Wells broke his duck in a maiden over 10 furlongs at Leopardstown last month and followed up over the same distance under Jamie Spencer today.He added: 'Jamie said he just got there. He would want a bit better ground like he had at Leoparstown the last day and I think he will get a mile and a half.'