Why was Cat the red corner when she is ranked lower than Viera?

[MMA fan93]

I thought the higher ranked fighter is the red corner.. or is that just randomly decided?

 

[johnmangala]

The bigger name is generally in the red corner.

 

['Suga Daddy']

I thought the higher ranked fighter is the red corner.. or is that just randomly decided?

Its because when the fight was originally made Zingano was ranked higher.