Forrest Griffin and Matt Parrino break down the new rankings after three events and three days blew up the pound-for-pound list. Cain Velasquez and Derrick Lewis took big strides as well last weekend.

Watch the official weigh-in for Fight Night: Dos Anjos vs Alvarez on Wednesday, July 6 at 7pm/4pm ETPT from the T-MOBILE Arena Plaza.

Rafael Dos Anjos says he isn't going to let Eddie Alvarez take his lightweight belt at Fight Night Las Vegas. Don't miss their clash on July 7 live from Las Vegas and exclusively on UFC FIGHT PASS.

Watch the highlights from Wednesday's Fight Night Las Vegas Weigh-in, including the stars of the main event Rafael Dos Anjos and Eddie Alvarez.

Eddie Alvarez became the champion of the UFC's lightweight division on Thursday at Fight Night Las Vegas. Alvarez knocked out champ Rafael Dos Anjos in Round 1 in thrilling fashion.

Ahead of the most action-packed week in UFC history, UFC will host a media conference call with Rafael Dos Anjos, Eddie Alvarez, Jose Aldo and Frankie Edgar Tuesday, June 28 at 2 p.m. PT/5 p.m. ET.

UFC lightweight champion Rafael Dos Anjos discusses what makes him the ultimate warrior in the Octagon. Don't miss Dos Anjos defend his title for the second time at Fight Night Las Vegas on July 7, exclusively on FIGHT PASS.

John Gooden and Dan Hardy take on the Inside The Octagon One Round Challenge as they look ahead to Rafael Dos Anjos and Eddie Alvarez this Thursday night, exclusively on UFC FIGHT PASS.

Derrick Lewis spoke inside the Octagon with UFC announcer Jon Anik about his split decision victory over Roy Nelson in the co-main event of Fight Night Las Vegas.

Watch the post-fight press conference for Fight Night: Dos Anjos vs Alvarez live following the event.

UFC commentator Jon Anik hosts the special Fight Night Las Vegas with UFC matchmakers Joe Silva and Sean Shelby. The trio preview the main event between Eddie Alvarez and Rafael Dos Anjos exclusive on FIGHT PASS.

Joe Duffy had the KO of the night when he finished Mitch Clarke 25 seconds into the first round. Duffy now sits at 3-1 in the UFC after his win at Fight Night Las Vegas.

Forrest Griffin and Matt Parrino break down the new rankings after three events and three days blew up the pound-for-pound list. Joanna Jedrzejczyk, Eddie Alvarez and Daniel Cormier all make big moves this week.

Rafael Dos Anjos puts his lightweight belt on the line against Eddie Alvarez at Fight Night Las Vegas on July 7 exclusively on FIGHT PASS.

UFC lightweight champion Rafael dos Anjos will defend his title for the second time on July 7, facing No. 1 contender Eddie Alvarez in the main event of a special UFC FIGHT PASS card at the MGM Grand Garden Arena. Live and Exclusive on UFC FIGHT PASS!

Watch all the memorable punches and kicks from Tuesday's Open Workouts ahead of Fight Night Las Vegas and The Ultimate Fighter Finale on Thursday and Friday. Also, hear from Joanna Jedrzejczyk, Rafael Dos Anjos and more.

There's a new champion in the UFC's lightweight division. Eddie Alvarez knocked out Rafael Dos Anjos in Round 1 at Fight Night Las Vegas.

Get an intimate look at the lives of the two men training for their upcoming UFC lightweight title fight, champion Rafael Dos Anjos and challenger Eddie Alvarez. Streaming on YouTube on June 27.

UFC Minute host Lisa Foiles previews some of the best under-the-radar fights from all three events during International Fight Week 2016.

Derrick Lewis won his 16th pro fight on Saturday at Fight Night Las Vegas, but it was his first win by decision. Lewis defeated Roy Nelson by split decision for his fourth consecutive win.