UFC 153: Silva vs. Bonnar was a mixed martial arts pay-per-view event held by the Ultimate Fighting Championship on October 13, 2012, at the HSBC Arena in Rio de Janeiro, Brazil.

However, Belfort was pulled from the bout to face Light Heavyweight Champion Jon Jones on September 22, 2012 at UFC 152.

[4] After having their first fight end in a no contest due to an eye poke in the first round, a rematch between Phil Davis and Wagner Prado was briefly linked to UFC on FX: Browne vs. Bigfoot and then scheduled for this event.

[7] Former UFC Light Heavyweight Champion Rashad Evans was offered the fight with Teixeira but turned it down due to the short notice.

Former UFC Lightweight Champion Frankie Edgar had agreed to step in for Koch and fight Aldo for the Featherweight title.