UFC officials have went to work to complete the August return to Brazil for the promotion in recent days.

Three bouts have been added to UFC 163, whicht akes place August 3 from Rio de Janeiro, Brazil. The main event has been long known, as UFC featherweight champion Jose Aldo will defend his title against Anthony Pettis.

Recent additions include Robert Drysdale-Ednaldo Oliveira, Amanda Nunes-Sheila Gaff, and Rani Yahya-Josh Clopton.

Drysdale is a Brazilian jiu-jitsu expert who has worked with Frank Mir and others. He is 6-0, with all six victories coming by first round submission.

Oliveira (13-1-1) lost his Octagon debut last year.

Nunes (7-3) and Gaff (10-5-1) will become the first female bout to be put on by the UFC in Brazil. It will mark the debut for Nunes in the UFC, while Gaff was defeated by Sara McMann earlier this year.

Yahya (18-7) and Clopton (6-1-1) are a pair of featherweights. Yahya is 3-1 with the promotion, while Clopton lost his only UFC bout to date.