Might he be number 1, if only for a year? Maybe.
A "legend," though? I doubt it. I mean, I don't even think Hewitt and Roddick are going to reach that level.
Legends and Legends in the Making, a very select club:
and if life is fair, Lendl.
Guga's probably a legend in Brazil, and ditto for Noah in France, Vilas in Argentina, etc.