Tim Sylvia told ESPN's Mr. Sunshine that his next fight will be announced tonight at UFC 79 and will take place at UFC 81.

Persistent rumors have place Antonio Rodrigo Nogueira opposite him in the octagon at UFC 81 on Feb. 2. And it is likely that this fight will be announced tonight to decide who will take home the vacant UFC heavyweight title.

The event will also feature a marquee debut in the heavyweight division as highly regarded newcomer Brock Lesnar attempts to make the switch from Division I wrestling champion to MMA superstar. He's set to battle former heavyweight champion Frank Mir in his UFC debut.