The meteoric rise of rugby league player turned UFC star Tai Tuivasa continues, with the undefeated heavyweight's next bout being announced as the main event of the upcoming card in Adelaide.

The man they call "Bam Bam" has had a 3-0 start to his UFC career and will face former world champion Junior dos Santos at the Adelaide Entertainment Centre on December 2nd.

Big moment: Tai Tuivasa will be the main bout on a UFC card for the first time. Credit:Chris Lane

"I feel good, I'm happy and excited," he said.

"I've always said from the start that I want to be on every card in Australia, I want to be one of the front-runners of the sport.