The Ultimate Fighting Championship hosts its annual Independence Day weekend card in Las Vegas with UFC 162: Silva vs. Weidman on Saturday.
UFC middleweight champion Anderson Silva faces undefeated Chris Weidman in the main event in a middleweight title bout.
Former UFC lightweight titleholder Frankie Edgar fights Charles Oliveira in a featherweight match-up in the co-main event.
Also on the card, featherweight contenders Cub Swanson and Dennis Siver square off in a bout that will move one of them a step closer to a title fight.
The card also features the promotional debuts of Strikeforce standouts Tim Kennedy and Roger Gracie.
Countdown to UFC 162 takes a behind the scenes look at the fighters at the top end of the fight card as they prepare to step in the Octagon.
Anderson Silva vs. Chris Weidman
Frankie Edgar vs. Charles Oliveira
Cub Swanson vs. Dennis Siver