The UFC will end 2012 with a bang, as UFC heavyweight champion Junior dos Santos squares off with Cain Velasquez on December 29. The two will meet for a second time in the main event of UFC 155: Dos Santos vs. Velasquez II.

Dos Santos won the belt from Velasquez in 2011, stopping him in the first round. Check out the promo for the event, courtesy of Fuel TV, in the video below:

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