The Ultimate Fighting Championship showcases its first all-heavyweight main card tomorrow night at UFC 146: “Dos Santos vs Mir” in Las Vegas, Nevada. In the night’s main event, UFC Heavyweight Champion Junior “Cigano” dos Santos puts his title on the line against Frank Mir.

Also on the main card, former UFC champion Cain Velasquez looks to get himself back into title contention when he takes on Antonio “Bigfoot” Silva. Roy Nelson battles Dave Herman and Lavar Johnson faces Stefan Struve. MMAGirls’ Joanne Spracklen previews tomorrow’s UFC 146 main card.

(Photo Credit: Sherdog.com)