Andre Agassi, Boris Becker, and Pete Sampras reigned over the world of tennis in the 1990s and are regarded as some of the most iconic players in history. Each of them held the ATP World No.
You have to go back over two decades to find the last ATP Finals without at least one of the 'Big Three' in action.
Andre Agassi once shed light on his wife Steffi Graf's reaction to Serena Williams surpassing her Grand Slam record.