Rory McIlroy has given himself an outside chance of claiming victory at the Dubai Invitational after carding a three-under-par 68 on Saturday. McIlroy will enter the final round at Dubai Creek Resort, trailing leader Nacho Elvira by three shots, following the Spaniard's identical 68. Elvira holds a two-shot advantage over the field, with Ireland's Shane Lowry, England's Marcus Armitage, and South…