If you enjoy superstars and drama, Day 1 at the World Tour Finals was a good place to be, thanks to Rafael Nadal and Roger Federer.
Novak Djokovic reached his first Wimbledon final. He also ascended to the No. 1 ranking for the first time. All this in a day's work.
A rejuvenated Frenchman playing on his home turf: You would have thought tough circumstances might blunt Novak Djokovic -- just a little.