Tags: Mixed Martial Arts Event.
UFC 73: Stacked was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC). It took place on July 7 2007 at the ARCO Arena in Sacramento California and featured a total of nine bouts: four on the preliminary card and five on the main card. In the main event Anderson Silva put his UFC Middleweight Championship belt on the line against Nate Marquardt.