Watch: 'Rampage' Jackson says he'd 'whup Brock Lesnar's ass'

Quinton "Rampage" Jackson is confident he could take down Brock Lesnar.

While speaking with TMZ Sports about a potential fight between him and Lesnar, the former UFC light heavyweight champion said that regardless of the weight difference, he would easily win.

"I think I'd whup Brock Lesnar's ass," Jackson said. "I'd whup Brock's ass because I don't think he has the technique to take me down."