Former UFC heavyweight champions will collide when the UFC returns to Germany this September, as Andrei Arlovski takes on Josh Barnett.

Set for September 3 from Hamburg, Germany, the event will take place inside the Barclaycard Arena.

Arlovski (25-12) is coming off back-to-back losses to new UFC heavyweight champion Stipe Miocic and current contender Alistair Overeem. He is 14-6 over 20 Octagon appearances.

Barnett (34-8) holds a 6-3 all-time UFC mark, including a recent loss to Ben Rothwell.

The bout joins Ryan Bader vs. Ilir Latifi on the card.