UFC 142: Aldo vs. Mendes live Ultimate Fighting Championship on January 14, 2012 at the HSBC Arena in Rio de Janeiro, Brazil . UFC 142 @ Video & Picture - The show takes place Jan. 14 at HSBC Arena in Rio de Janeiro, and Brazilian UFC featherweight champion Jose Aldo (20-1 MMA, 2-0 UFC) meets Chad Mendes in the championship headliner (11-0 MMA, 2-0 UFC).