Tonight is the night as UFC 166 takes place tonight from the Toyota Center in Houston, Texas. The main event will feature UFC heavyweight champion Cain Velasquez defending his title against Junior Dos Santos.
The challenger won the title from Velasquez at UFC on Fox 1 in November 2011 as shown in an article we posted on Wednesday.
The rematch took place last December at UFC 155 with Velasquez dominating Dos Santos to regain the title.
Watch the entire fight in the video above.