It's Vegas, it's summer...it's Ultimate Fighting Championships! This fight card features the undefeated middleweight Chris Weidman looking to topple Anderson "The Spider" Silva and take the top spot in the division. See the outcome of that blistering battle, and then take in the contests between featherweights Frankie Edgar and Charles Oliveira, middleweights Tim Kennedy and Roger Gracie, and featherweights Dennis Siver and Cub Swanson. 5 2/3 hrs. on two discs. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo; bonus footage.