UFC 137: Penn vs. Diaz was a mixed martial arts event held by the Ultimate Fighting Championship on October 29, 2011 at Mandalay Bay Events Center in Las Vegas, Nevada.
WEC 53: Henderson vs. Pettis was a mixed martial arts event held by World Extreme Cagefighting that took place on December 16, 2010 at Jobing.com Arena in the Phoenix suburb of Glendale, Arizona. The event was the first time that Zuffa has hosted an event in Arizona. This was the final WEC event before merging with UFC in 2011.
On Saturday, March 6, 2010, WEC heads to Columbus, Ohio with a stacked card headlined by a world bantamweight title fight between champion Brian Bowles and number one contender Dominick Cruz. What’s more, WEC’s first trip to Columbus features the return of former bantamweight champion Miguel Angel Torres, as well as the comeback of former UFC® lightweight titleholder Jens Pulver.
