by Brendan Cole Ireland manager Paul McNaughton remains 'hopeful' that injury-hit duo Stephen Ferris and Gordon D'Arcy will be fit in time for the Rugby World Cup opener against USA in 41 days time. Ireland's tournament is due to get underway with an 11 September clash against the Eddie O'Sullivan-coached Eagles. Both Ferris and D'Arcy are battling injuries sustained last year. Ferris missed last year's RBS 6 Nations and key Ulster games due to a knee injury, while D'Arcy picked up an ankle injury in Leinster's Heineken Cup final victory over Northampton in May. Speaking to RTÉ Sport's Michael Corcoran at Ireland's training camp in Carton House, McNaughton said: "We have several players who are on the injury list. Most of them are 'legacy'