By On 12/30/16 AT 3:10 PM. Ronda Rousey is set to make her first appearance in the Octagon in over a year Friday at UFC 207. The former bantamweight champion will face off against reigning division champion Amanda Nunes in a much-anticipated matchup at the T-Mobile Arena in Las Vegas.
Oxford Dictionaries.com gives yeses and yesses as accepted spellings of the plural of yes, whereas searching Cambridge Dictionaries Online for yesses does not return any results. In the absence of agreement amongst widely accepted authorities, it's a good idea to turn to usage.
Yes, they is normally plural, and everyone takes a singular verb. But this is a case for saying, simply,  they is both singular and plural.. After all, you is both singular and plural, after going down a long and winding etymological road. And singular they is no more absurd than sexless he.