The official weigh-ins for “UFC 146: Dos Santos vs. Mir” take place today inside MGM Grand Garden Arena, Las Vegas, Nevada. Stream Friday’s weight contest live right here on 5thRound.com starting at 7PM ET/4PM PT.

Heavyweight champ Junior dos Santos (Pictured) defends his freshly-minted crown against Frank Mir in Saturday’s featured attraction.

Tomorrow’s pay-per-view broadcast begins live at 10PM ET/7PM PT.

Please click the media player below to watch Friday’s weigh-ins:

Here are the contestants who will be tipping the scale later this evening:

Preliminary Card:

(Facebook 6:45PM ET/3:45PM PT)

Mike Brown vs. Daniel Pineda

Glover Teixeira vs. Kyle Kingsbury

Paul Sass vs. Jacob Volkmann

(FX 8PM ET/5PM PT)

Dan Hardy vs. Duane Ludwig

Jason “Mayhem” Miller vs. C.B. Dollaway

Edson Barboza vs. Jamie Varner

Diego Brandao vs. Darren Elkins

Main Card:

(Pay-Per-View 10PM ET/7PM PT)

Stefan Struve vs. Lavar Johnson

Shane Del Rosario vs. Stipe Miocic

Roy Nelson vs. Dave Herman

Cain Velasquez vs. Antonio “Bigfoot” Silva

Frank Mir vs. Junior dos Santos (UFC Heavyweight Champion)