UFC 116 Official Results: Lesnar vs Carwin Fight Replay Video Play by Play - Brock Lesnar defeated Shane Carwin via submission at 3:52 of round 2 to remain the Undisputed UFC Heavyweight Champion.

UFC heavyweight champion Brock Lesnar successfully returned to action for the first time in a year, surviving an opening round onslaught to submit interim title-holder Shane Carwin in the second round of the UFC 116 main event at the MGM Grand Garden Arena in Las Vegas.

The two were originally set to face each other at UFC 106, before Shane Carwin won the interim heavyweight championship, but Brock Lesnar pulled out of the fight due to an illness that kept him from training.