Brock Lesner KO in the First Round

Going into Saturday night Brock Lesnar was considered the hottest thing going in the MMA world. Lesnar was so good and so dominating in his first six bouts, that he had taken to calling himself the "Baddest Man on the Planet." A title once held by none other than Iron Mike Tyson. Saturday night Brock Lesnar entered the octagon to take on Cain Velasquez in what would be Brock's third and final defense of his heavy weight title.

Check out the highlights from Saturday's matches including Cain's stunning upset of Brock Lesnar.


<a href="http://msn.foxsports.com/video?vid=ae50a5a9-127a-4290-9e15-c1a8ce878334" target="_new" title="">Highlights: UFC 121</a>