Originally Posted by veroniquem
Nadal is the GOAT on clay. Undisputed. For the rest, not sure, it seems to be mostly between Fed and Laver. No one else would have enough achievements.
What about Sampras and Nadal, who's greater?
Tier1(goat): Federer; Tier 1.5: Laver, Sampras, Nadal, Borg;
Tier 2: Lendl, Connors, Rosewall; Tier 2.5: McEnroe, Agassi