Rousey will fight face bantamweight champion Nunes at UFC 207 in December.
Cyborg has dropped to the 140lbs weight class twice this year to show that she is ready to compete against Rousey.
Conor McGregor revealed that he will take a break following his win over Eddie Alvarez.
Nunes is defending the bantamweight title which she won following her win over Miesha Tate.
McGregor is taking some time off from the sport to be with his family.
"My production guy screwed that thing up. It made Ronda look bad again, like she just stormed off," said White.
The Rousey vs Nunes clash will take place at UFC 207 on 30 December.
Amanda Nunes will defend her bantamweight title against Ronda Rousey on 30 December in Las Vegas.
Miesha Tate lost her bantamweight title to Amanda Nunes at UFC 200.
Tate will be in action at the UFC 205 event in New York to be held on 12 November.
Ronda Rousey will face Amanda Nunes at the UFC 207 event.
The former women's bantamweight champion has already acted in movies such as The Expendables 3, Furious 7 and Entourage.
Rousey will make a comeback to the Octagon at UFC 207 after her loss to Nunes in November 2015.
Amanda Nunes beat Miesha Tate at UFC 200 to win the bantamweight championship title.
Rousey is yet to interact with the media about her comeback at UFC 207.
Rousey and Nunes will face-off at UFC 207 on 30 December at Las Vegas.
Ronda Rousey will return to UFC more than a year after losing to Holly Holm in November 2015.
Justino made her UFC debut earlier this year.
Rousey has been out of action since November 2015.
Cyborg and Rousey have never faced off in their MMA careers so far.
Rousey has been out of action since November 2015 after she suffered a shock defeat to Holly Holm at UFC 193.
Rousey, who is a former bantamweight champion herself, has been out of action since November 2015.