Il Sudafrica ha vinto la Coppa del Mondo di rugby 🏉

Il pronome “NE”
The pronoun “NE” 

“gli All Blacks che ne hanno tre”
(the All Blacks, who have three)

The pronoun NE is used to refer to a part of a whole, corresponding to “of it/them”, as in “some of it/them”, “two of them”, etc. 

It is usually used together with quantities, and it is invariable and always placed before the verb (except when the verb is an order or the infinitive).

In the sentence above, it means “of them”, or “of those” and is used to refer to the noun “vittoria” (victory, World Cups titles).
Let’s see some examples:

– Quanti fratelli hai? -NE ho due (How many brothers do you have? -I have two of them)
– Volevo parlarNE (I wanted to talk ABOUT IT)
– DammeNE uno, per favore (Give me one OF THEM, please)