Originally Posted by 5555
I do not see how anyone can make sensible argument to support claim that a donkey is more intellectual than Djokovic.
But accroding to you, statement needs to be proven otherwise it's just an opinion. And since you can't prove Nole is more intellectual than a donkey, what we have left is nothing but an opinion.
Tier1(goat): Federer; Tier 1.5: Laver, Sampras, Nadal, Borg;
Tier 2: Lendl, Connors, Rosewall; Tier 2.5: McEnroe, Agassi