Miss the weigh-ins for UFC 146 on Friday? HeavyMMA has all the video highlights for you from the MGM Grand Garden Arena in Las Vegas.

Watch the UFC 146: Dos Santos vs. Mir weigh-ins live from Las Vegas here at HeavyMMA on Friday at 7 p.m. Eastern.

In our knockout video of the week, Josh Koscheck returned for the first time since a title loss to Georges St-Pierre to knock out Hall of Famer at UFC 135.

Jason “Mayhem” Miller takes you inside the intense new training camp for his fight against C.B. Dollaway at UFC 146.

Watch as UFC heavyweight champion Junior dos Santos makes 9-year-old Breno’s dream of watching “Cigano” defend his title comes true with a trip to Las Vegas.

The focus all week is on the all-heavyweight main card. But let’s not lie – the UFC 146 prelims are pretty stacked. See what four of its top competitors have to say.

The focus all week is on the all-heavyweight main card. But let’s not lie – the UFC 146 prelims are pretty stacked. See what four of its top competitors have to say.

Watch highlights from Thursday’s UFC 146: Dos Santos vs. Mir pre-fight news conference, featuring all 10 heavyweights on the main card.

Junior dos Santos was a mostly unheard of Brazilian and a heavy underdog for his debut at UFC 90 against Fabricio Werdum. He changed it all with one uppercut.

Thursday’s pre-fight news conference for UFC 146 takes place at the MGM Grand. You can watch it live at HeavyMMA at 2 p.m. Eastern.