Rafa, Roger, Novak and Andy.The names roll off the tongue for the modern-day tennis fan as quickly as John, Paul, George and Ringo do for a Beatles geek.This fab four - or the Big Four as they are known - of the ATP Tour's post-millennium golden era are not seen together much these days,

Chatrier, only instead of competing, he was going to be feted by the French tennis federation for all that he accomplished on the red clay.

It was already an emotional scene at the French Open on Sunday afternoon, when tennis legend Rafael Nadal was honored with a special farewell ceremony inside Roland-Garros, but a surprise appearance from three VIP guests really upped the ante.