The 77th Masters Golf Tournament begins Thursday morning at Augusta National Golf Club in Georgia with a field of 93 players. Bubba Watson is defending champion and Tiger Woods, a four time champ, is the favorite. Watson aced the 16th hole in a practice round Wednesday morning. Nick Watney made a hole in one in Wednesday's par 3 contest. Live coverage Thursday and Friday begins at 3pm on ESPN, with CBS taking over Saturday and Sunday.