UFC 166: Velasquez vs Dos Santos 3 Results

Cain Velasquez defeated Junior Dos Santos by TKO in round 5 (3:09) in the Heavyweight title main event of UFC 166: Velasquez vs Dos Santos 3, held Saturday, October 19, 2013.

UFC 166: Velasquez vs Dos Santos 3 is an MMA event from Ultimate Fighting Championship, scheduled for Saturday, October 19, 2013. The card streams as a Pay-Per-View. A championship title is on the line. 166 is part of UFC's numbered event series. 13 fights are scheduled across the card.