By Nick Mulvenney SYDNEY (Reuters) - Rory McIlroy admitted to feeling fatigued from jet-lag and an early alarm call on Thursday but the first round of his Australian Open title defense was by no means a damage limitation exercise. Starting his day with rain clouds casting an early morning gloom over The Australian Golf Club, the world number one produced a solid round of two-under-par 69 for an early share of second place. ... More...