Andrei Arlovski defeated Bigfoot Silva in their rematch bout in 2014. Arlovski takes on former champ Josh Barnett in the main event at Fight Night Hamburg on Sept. 3, exclusively on UFC FIGHT PASS.

Two former UFC heavyweight champions collide in Germany in a five-round main event that is almost guaranteed not to last that long. Joe Rogan previews the fight between Andrei Arlovski and Josh Barnett at Fight Night Hamburg.

Watch the Top 5 Media Day moments from Fight Night Hamburg, featuring stars Andrei Arlovski and Josh Barnett.

Watch Ryan Bader backstage after his vicious walk-off knockout over Ilir Latifi at Fight Night Hamburg.

Watch Nick Hein backstage after his win at Fight Night Hamburg. Hein earned a decision victory for his third consecutive in the UFC.

Watch the Fight Night Hamburg post-fight press conference.

Forrest Griffin and Matt Parrino run through the changes to this week's rankings and break down the big moves made by Paige VanZant, Anthony Pettis and more.

Watch the highlights from Friday's official weigh-in for Fight Night Hamburg, featuring stars Andrei Arlovski and Josh Barnett.

Alexander Gustafsson scored a unanimous decision victory over Jan Blachowicz at Fight Night Hamburg. It was Gustafsson's first action in the Octagon since losing to Daniel Cormier for the light heavyweight title at UFC 192.

Watch the official weigh-in for Fight Night Hamburg on Friday, Sept. 2 at 10am/7am ETPT live from Barclaycard Arena in Hamburg, Germany.

Andrei Arlovski main events on UFC FIGHT PASS against Josh Barnett in Hamburg, Germany Saturday. "The Pit Bull" wants to be a UFC champion again before he retires and he's doing everything he can to make it back to the top of the mountain.

UFC commentator Joe Rogan previews the Fight Night Hamburg co-main event between Alexander Gustafsson and Jan Blachowicz. The light heavyweight clash goes down only on UFC FIGHT PASS.

Alexander Gustafsson showed why he's the No. 2-ranked light heavyweight in the world at Fight Night Hamburg. Gustafsson earned a unanimous victory over Jan Blachowicz in the co-main event.

Watch Jessin Ayari backstage after his victory at Fight Night Hamburg. Ayari won via split decision in his UFC debut.

UFC Minute host Lisa Foiles previews some of the best under-the-radar fights to look out for from Fight Night Hamburg this weekend.

Watch as the stars of the main and co-main event face off at media day from Hamburg, Germany. Featuring Andrei Arlovski, Josh Barnett, Alexander Gustafsson and Jan Blachowicz.

Ashlee Evans-Smith earned her first UFC finish on Saturday at Fight Night Hamburg. Evans-Smith knocked out Veronica Macedo in the final round to move to 2-1 in the UFC.

Watch Josh Barnett in the Octagon after his main event victory from Fight Night Hamburg. Barnett submitted Andrei Arlovski for his first UFC finish since 2013.

Watch the Fight Night Hamburg Q&A with Matt Hughes, Karolina Kowalkiewicz and Neil Magny on Friday, Sept. 2 at 9:15am/6:15am ETPT live from the Barclaycard Arena in Hamburg, Germany.

No. 4-ranked light heavyweight Ryan Bader has moved on since his loss against Anthony Johnson. Now Bader is focused on having fun again and fighting free of anxiety. Bader takes on Ilir Latifi Saturday at Fight Night Hamburg.

UFC Minute host Lisa Foiles previews three of the fights from Fight Night Hamburg on Saturday and discusses what's at stake for the fighters.

Watch Josh Barnett backstage after his victory at Fight Night Hamburg. Barnett secured a submission on Andrei Arlovski in the third round for the win.

UFC middleweight Uriah Hall breaks down the heavyweight rankings, including a look at the two big UFC 203 heavyweight bouts: Stipe Miocic vs Alistair Overeem and Fabricio Werum and Travis Browne. Plus CM Punk and how fighters should be ranked.