UFC 166: Velasquez vs. dos Santos III takes place on Saturday, Oct. 19 at the Toyota Center in Houston and is headlined by the third fight in the trilogy between heavyweight champion Cain Velasquez and challenger Junior dos Santos.
Watch the UFC 166: Velasquez vs. dos Santos III extended video preview below.
Watch the Cain Velasquez vs. Junior dos Sanots I full fight video here.
Watch the Junior dos Sanots vs. Cain Velasquez II full fight video here.
Courtesy of UFC.com