By Rich Jones Tiger Woods’ long-time associate Rob McNamara, has provided a positive update on the golf legend after he was forced to withdraw from the Genesis Invitational. Woods was playing in his first PGA Tour event in almost a year as he made a competitive return after being forced to withdraw from The Masters due to injury last year. He was again unable to complete the full tournament, initially sparking fears of a recurrence of his injury problems. It soon emerged illness, rather than injury, was to blame. But concerns were heightened when an ambulance arrived at Riviera Country Club sh…