MMA H.E.A.T.s brings you the weigh-in and staredown from the UFC on FOX 5 main event, UFC lightweight champ Benson Henderson and Nate Diaz.\r<br>\r<br>The main card is set for Decembers UFC on FOX 5 event, which features a championship headliner between lightweight titleholder Benson Henderson (17-2 .\r<br>\r<br>The UFC® returns to Seattle for an epic night of free fights, headlined by a lightweight title bout between Benson Henderson and Nate Diaz.\r<br>\r<br>In one of the most stacked cards of 2012, Benson Henderson defends his lightweight title against the surging Nate Diaz. Plus former champions BJ Penn and .
