UFC 153 (previously known as UFC 153: Aldo vs Edgar and UFC 153: Aldo vs Koch) is an upcoming mixed martial arts event to be held by the Ultimate Fighting Championship on October 13, 2012 at the HSBC Arena in Rio de Janeiro, Brazil.

The original main Featherweight Championship main event between Champion Jose Aldo and Erik Koch was scrapped when Koch had to withdraw due to an undisclosed injury. Former Lightweight Champion, Frankie Edgar fresh off of his decision to move down to Featherweight, was given the title shot.

In the aftermath of the cancellation of UFC 151 Jones vs Henderson, Vitor Belfort was moved from his UFC 153 bout with Alan Belcher to the headliner of UFC 152 Jones vs Belfort. Belcher decided to take the opportunity to rehab from a spinal fracture. A light-heavyweight rematch between Phil Davis and Wagner Prado was moved from its rumored spot on UFC 152 to the main card of UFC 153.

On September 11, 2012, the UFC announced that the main event title match was pulled from the card due to an injury to Aldo and that an injury to Quinton Jackson forced him off of the co-main event. Fabio Maldonado replaced Jackson and Middleweight Champion Anderson Silva agreed to face Stephan Bonnar at light heavyweight in the new main event.

An injury to Geronimo dos Santos left Gabriel Gonzaga without an opponent and the UFC scratched him from the card.

* Next Event: UFC on FUEL TV 6Franklin vs Le
* Previous Event: UFC on FX 5 Browne vs Silva

==Announced Fight Card==

===Main Card/PPV===

*Light Heavyweight: Anderson Silva vs Stephan Bonnar
*Heavyweight: Antonio Rodrigo Nogueira vs Dave Herman
*Light Heavyweight: Fabio Maldonado vs Glover Teixeira
*Light Heavyweight: Phil Davis vs Wagner Prado
*Welterweight: Jon Fitch vs Erick Silva
*Welterweight: Demian Maia vs Rick Story

===Preliminary Card/FX===

*Featherweight: Rony Mariano Bezerra vs Sam Sicilia
*Featherweight: Diego Brandao vs Joey Gambino
*Lightweight: Gleison Tibau vs Francisco Trinaldo
*Welterweight: Sergio Moraes vs Renee Forte

===Preliminary Card/Facebook.com===

*Lightweight: Reza Madadi vs Cristiano Marcello
*Middleweight: Chris Camozzi vs Luiz Cane

== Results ==

Weight Class Winner Loser Method Round Time Notes
Cristiano Marcello Reza Madadi Decision (Split) 3 5:00
Chris Camozzi Luiz Cane Decision (Unanimous) 3 5:00
Sergio Moraes Renee Forte Submission (Rear-Naked Choke) 3 3:10
Diego Brandao Joey Gambino Decision (Unanimous) 3 5:00
Gleison Tibau Francisco Trinaldo Decision (Unanimous) 3 5:00
Rony Mariano Bezerra Sam Sicilia TKO (Punches) 2 4:16 Bezerra won Knockout of the Night
Demian Maia Rick Story Submission (Neck Crank) 1 2:30
Phil Davis Wagner Prado Submission (Anaconda Choke) 2 4:29
Jon Fitch Erick Silva Decision (Unanimous) 3 5:00 Fight won Fight of the Night
Glover Teixeira Fabio Maldonado TKO (Doctor Stoppage) 2 5:00
Antonio Rodrigo Nogueira Dave Herman Submission (Armbar) 2 4:31 Nogueira won Submission of the Night
Anderson Silva Stephan Bonnar TKO (Knee to the Body and Punches) 1 4:40