Jose Aldo knocks out Chad Mendes with a knee with just one second remaining in the first round of their featherweight fracas at UFC 142 at the HSBC Arena in Rio de Janeiro, Brazil, last night (Sat., Jan. 14, 2012). Aldo, who once again proved that he's a force to be reckoned with in the pound-for-pound rankings, celebrated his victory by rushing out into the crowd and jumping right in to be swarmed by adoring fans. All this while security was literally fighting off crazed Brazilians aching to share in the joy of their champion emerging victorious. It was quite the scene. For a more detailed breakdown on the "Aldo vs. Mendes" fight click here and for complete UFC 142 results and blow-by-blow coverage of all the night's action click here.