UFC officials have confirmed that the larger, 30-foot octagon will be used for UFC Fight Night 77 this Saturday. The smaller cage is 25 feet.
Here are some stats on fights that have happened in the UFC’s two cage sizes:
UFC Fight Night 77 takes place on Saturday, November 7, 2015, at the Ginásio do Ibirapuera in São Paulo, Brazil. The event will air on FOX Sports 1 and UFC Fight Pass. The show will be headlined by Vitor Belfort vs. Dan Henderson